
"You are an expert in evaluating and guiding a web navigation agent. Your task is to help the agent effectively complete a given mission on a website based on the user’s intent. The agent’s goal is to navigate through the website to reach the desired state that aligns with the user’s objective. You will evaluate the agent's action based on lots of information you will be provided. Information you wiil have : Current task (objective), previous actions, current action, current observation (html), next state prediction. Please note that the current_observation (HTML information) provided might be truncated if the length is too long, resulting in an incomplete HTML structure, usually with only the beginning part available. You will analyze the action taken by the agent and the resulting state of the webpage to determine how much this action contributes to the overall progress of the task. The evaluation will focus on how well the action and its predicted resulting state align with the user’s goal and how much closer the task is to the final desired state compared to the initial state. Key Points: 1. Understand the Intent: - Identify the user’s goal (e.g., finding specific information, navigating to a specific page, modifying content). - Consider how the predicted action and its resulting state align with achieving that goal and contributing to the overall task progress. 2. Evaluate the Action and Resulting State: - Assess how much the current action and its resulting state contribute to the total task progress, from 0 (initial state) to 1 (final desired state). - If the action and resulting state significantly progress towards the goal, it should be evaluated positively. - Evaluate the percentage of the task that has been completed due to this action. 3. Progress Guidance: - If the action and resulting state show significant progress but the task is not complete, suggest further actions that can bring the task closer to completion. 4. Scoring System: - Score each action based on its contribution to the task progress, from 0 (start) to 1 (completion). - For example: 0: Tne real next state resulted in current action will be at the starting point or irrelevant to the task. 0.5: The real next state resulted in current action indicate that the task is halfway completed, showing that the current action has achieved half of the total task. 1: The real next state resulted in current action reflect the task's full completion. Response Format: 1. Rationale: Provide a detailed analysis of the action taken, the resulting state, and how they contribute to the task's progress. 2. Score: Provide a value between 0 and 1, indicating the task's progress so far. Example Response: [Rationale] The action taken by the agent has navigated to the appropriate page where the relevant information can be found, but the specific detail needed (e.g., product price) is not yet visible. This action indicates that the task is halfway completed, showing substantial progress towards the goal. [Score] 0.5"

URL: https://www.travelairlinesguide.com
 OBJECTIVE: Request a refund for the traveler Ian Lo and, his document number is 12345678912345 and email ian.lo@gmail.com
 PREVIOUS ACTION: ['[tab]  MY TRIPS -> CLICK', '[link]  Request a refund -> CLICK', '[button]  Add trip -> CLICK', '[textbox]  Last Name* -> TYPE: Lo', '[textbox]  Confirmation or ticket number* -> TYPE: 12345678912345']
 CURRENT OBSERVATION: <html backend_node_id="10917">
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                            <div backend_node_id="11387">
                              <div backend_node_id="11388">
                                <span backend_node_id="11390">
                                    <text backend_node_id="11391">United logo link to homepage</text>
                                  </span>
                                <a backend_node_id="11392" aria_label="United logo link to homepage">
                                  <img backend_node_id="10915" alt="United logo link to homepage"/>
                                </a>
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                                <nav backend_node_id="11394" role="navigation">
                                  <ul backend_node_id="11395">
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                                      <div backend_node_id="11398">
                                          <button backend_node_id="11399" aria_label="Currently in English United States$ enter to change">
                                            <text backend_node_id="11401">English - United States$</text>
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                                            <text backend_node_id="11417">Search</text>
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                                        </a>
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                                    <button backend_node_id="11425" type="button" aria_label="Sign in">
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                                                <text backend_node_id="11449">BOOK</text>
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                                                <text backend_node_id="11452">MY TRIPS</text>
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                                                <text backend_node_id="11455">TRAVEL INFO</text>
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                                                <text backend_node_id="11458">MILEAGEPLUS PROGRAM</text>
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                                                <text backend_node_id="11461">DEALS</text>
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                                            <button backend_node_id="11485" type="button" aria_label="Close Panel"/>
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                                        <a backend_node_id="11488">
                                          <span backend_node_id="11489">
                                            <text backend_node_id="11490">Help</text>
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                                        </a>
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                                </nav>
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                <main backend_node_id="11493">
                  <div backend_node_id="11494">
                    <h1 backend_node_id="11495">
                      <text backend_node_id="11496">Refunds</text>
                    </h1>
                    <div backend_node_id="11497">
                      <div backend_node_id="11498">
                        <div backend_node_id="11499">
                          <h2 backend_node_id="11500">
                            <text backend_node_id="11501">MileagePlus account</text>
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                            <span backend_node_id="11508">
                              <text backend_node_id="11509">To help you save some time, please</text>
                              <button backend_node_id="11510" type="button">
                                <text backend_node_id="11511">sign-in</text>
                              </button>
                              <text backend_node_id="11512">to your MileagePlus account and we can fill in some of your information for you.</text>
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                          <li backend_node_id="11516">
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                              <text backend_node_id="11518">Request a refund</text>
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                            <a backend_node_id="11520" role="tab">
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                      <div backend_node_id="11522">
                        <div backend_node_id="11523" role="tabpanel" aria_label="Request a refund">
                          <main backend_node_id="11524">
                            <div backend_node_id="11525">
                              <div backend_node_id="11526">
                                <header backend_node_id="11527">
                                  <p backend_node_id="11529">
                                    <span backend_node_id="11530">
                                      <text backend_node_id="11531">If your travel plans have changed, you can request a refund by filling out the form below. Well follow up with you to let you know if your trip qualifies. For more information, please review our</text>
                                      <a backend_node_id="11532" aria_label="refund policy.">
                                        <text backend_node_id="11533">refund policy.</text>
                                      </a>
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                                  <p backend_node_id="11534">
                                    <a backend_node_id="11535" aria_label="opens in a new tab Contact Customer Care">
                                      <text backend_node_id="11536">Contact Customer Care</text>
                                    </a>
                                    <text backend_node_id="11537">if you need to be reimbursed for expenses caused by a delayed or cancelled flight, and if you have any questions or feedback.</text>
                                  </p>
                                  <p backend_node_id="11538">
                                    <text backend_node_id="11539">Please use the form below to make refund request</text>
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                                  <div backend_node_id="11542">
                                    <ol backend_node_id="11543">
                                      <li backend_node_id="11544">
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                                          <div backend_node_id="11547">
                                            <text backend_node_id="11548">1</text>
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                                          <div backend_node_id="11549">
                                            <span backend_node_id="11550">
                                              <text backend_node_id="11551">You are in step 1 of 4:</text>
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                                            <text backend_node_id="11552">Select your flight</text>
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                                      </li>
                                      <li backend_node_id="11553">
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                                          <div backend_node_id="11569">
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                                              <span backend_node_id="11582">
                                                <text backend_node_id="11583">Since most purchases are linked to your reservation, you can quickly select items you'd like to request a refund for by adding flights. You can add up to 15 items to your refund request.</text>
                                              </span>
                                              <span backend_node_id="11584">
                                                <text backend_node_id="11585">To request a GoGo Wi-Fi refund,</text>
                                                <a backend_node_id="11586" aria_label="click here">
                                                  <text backend_node_id="11587">click here</text>
                                                </a>
                                                <text backend_node_id="11588">to be redirected to the GoGo website.</text>
                                              </span>
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                                            <div backend_node_id="11589">
                                              <text backend_node_id="11590">Enter your receipt details manually or add a flight to select items.</text>
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                                                  <button backend_node_id="11593" type="button" aria_label="tooltip">
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                                                      <text backend_node_id="11595">tooltip</text>
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                                            <div backend_node_id="11598">
                                              <button backend_node_id="11599" type="button">
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                                                  <text backend_node_id="11604">Enter receipt details</text>
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                                      <div backend_node_id="11612">
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                                          <h3 backend_node_id="11615">
                                            <text backend_node_id="11616">Subscriptions and memberships</text>
                                          </h3>
                                          <span backend_node_id="11624">
                                                <text backend_node_id="11625">Please sign-in to view your memberships and subscriptions.</text>
                                              </span>
                                            <p backend_node_id="11626">
                                            <text backend_node_id="11627">All United subscriptions are nonrefundable, and refunds will not be given for individual flights.</text>
                                          </p>
                                          <p backend_node_id="11628">
                                            <span backend_node_id="11629">
                                              <text backend_node_id="11630">If you'd like to upgrade your subscription or modify your renewal settings, please visit</text>
                                              <a backend_node_id="11631" aria_label="My Account">
                                                <text backend_node_id="11632">My Account</text>
                                              </a>
                                              <text backend_node_id="11633">.</text>
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                                      </div>
                                    </section>
                                    <section backend_node_id="11634">
                                      <section backend_node_id="11635">
                                        <h2 backend_node_id="11637">
                                            <text backend_node_id="11638">How to get back to you</text>
                                          </h2>
                                        <div backend_node_id="11639">
                                          <p backend_node_id="11640">
                                            <text backend_node_id="11641">Please enter the best email address to get back to you at.</text>
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                                          <div backend_node_id="11642">
                                            <div backend_node_id="11643">
                                              <div backend_node_id="11644">
                                                <div backend_node_id="11645">
                                                  <input backend_node_id="11646" placeholder="Email address *" aria_label="Email address *" name="refunds.getBack.contactMethodEmailAddress" type="text"/>
                                                  <label backend_node_id="11647">
                                                    <text backend_node_id="11648">Email address *</text>
                                                  </label>
                                                </div>
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                                            </div>
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                                      </section>
                                    </section>
                                    <div backend_node_id="11649">
                                      <div backend_node_id="11650">
                                        <p backend_node_id="11651">
                                          <text backend_node_id="11652">All refunds are credited to the original form of payment used. Please allow up to seven business days for a refund to post to your credit card. If the refund does not post within one billing cycle, please contact your credit card company for information. For all other forms of payment, please allow up to 20 days for a refund to be processed.</text>
                                        </p>
                                        <p backend_node_id="11653">
                                          <text backend_node_id="11654">If your ticket qualifies, your refund will be credited to your original form of payment unless you request an electronic travel certificate. Please allow up to 7 business days for us to process your request. The timing of refunds for tickets purchased in international locations may be different.</text>
                                        </p>
                                      </div>
                                    </div>
                                    <button backend_node_id="11656" type="submit">
                                        <span backend_node_id="11657">
                                          <text backend_node_id="11658">Continue</text>
                                        </span>
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                                </form>
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                              <button backend_node_id="11659" type="button">
                                <div backend_node_id="11662">
                                  <text backend_node_id="11663">To top</text>
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                                <h2 backend_node_id="11672">
                                  <text backend_node_id="11673">About United</text>
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                                <h2 backend_node_id="11675">
                                  <text backend_node_id="11676">Products and services</text>
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                                  <text backend_node_id="11679">Popular destinations</text>
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                                <h3 backend_node_id="11689">
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                                      <span backend_node_id="11710">
                                        <text backend_node_id="11711">United Airlines Ventures</text>
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                                        <text backend_node_id="11715">Careers</text>
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                                        <text backend_node_id="11728">Sustainability</text>
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                                      <span backend_node_id="11731">
                                        <text backend_node_id="11732">Chief Trash Officer</text>
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                                <h3 backend_node_id="11734">
                                  <text backend_node_id="11735">Media and partners</text>
                                </h3>
                                <ul backend_node_id="11736">
                                  <li backend_node_id="11737">
                                    <a backend_node_id="11738">
                                      <span backend_node_id="11739">
                                        <text backend_node_id="11740">Global alliances</text>
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                                    </a>
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                                    <a backend_node_id="11742">
                                      <span backend_node_id="11743">
                                        <text backend_node_id="11744">United Express partners</text>
                                      </span>
                                    </a>
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                                    <a backend_node_id="11746">
                                      <span backend_node_id="11747">
                                        <text backend_node_id="11748">Advertise with us</text>
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                                      </a>
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                                    <a backend_node_id="11751">
                                      <span backend_node_id="11752">
                                        <text backend_node_id="11753">Branding</text>
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                                <h3 backend_node_id="11763">
                                  <text backend_node_id="11764">Business services</text>
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                                <ul backend_node_id="11765">
                                  <li backend_node_id="11766">
                                    <a backend_node_id="11767">
                                      <span backend_node_id="11768">
                                        <text backend_node_id="11769">United business credit cards</text>
                                      </span>
                                      </a>
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                                      <span backend_node_id="11773">
                                        <text backend_node_id="11774">United UATP</text>
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                                  <li backend_node_id="11775">
                                    <a backend_node_id="11776">
                                      <span backend_node_id="11777">
                                        <text backend_node_id="11778">United PassPlus</text>
                                      </span>
                                    </a>
                                  </li>
                                  <li backend_node_id="11779">
                                    <a backend_node_id="11780">
                                      <span backend_node_id="11781">
                                        <text backend_node_id="11782">United PerksPlus</text>
                                      </span>
                                      </a>
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                                </ul>
                              </div>
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                              <a backend_node_id="12012" title="Open United's Tiktok feed in a new tab">
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                          <p backend_node_id="12038">
                            <text backend_node_id="12039">this link is to an external site that may or may not meet accessibility guidelines.</text>
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                            <text backend_node_id="12041">opens in a new tab.</text>
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</html>
 CURRENT ACTION: [textbox]  Confirmation or ticket number* -> TYPE: 12345678912345
 NEXT STATE PREDICTION: The expected effect is that: 
1. The user will continue to the next step in the refund request process, which will allow for selecting the specific trip associated with the ticket number entered.
2. The interface will guide the user through the steps necessary to finalize the refund request, including selecting the flight and providing contact information.
3. The structured format will help make the process clear and organized, ensuring that the user knows what information is needed to complete the request.
4. Additional options for account sign-in and navigation to other services will enhance the overall user experience on the site, making it easier for the user to access the needed resources or help if required. 
5. The inclusion of this information signifies that the refund request is progressing, and the user is being prompted to provide any further necessary details to complete the process.
[Rationale] The action taken by the agent to enter the confirmation or ticket number "12345678912345" into the refund request form is a crucial step in the refund process. This action has successfully progressed the user towards the next stage in the refund request process, which involves selecting the specific trip associated with the ticket number entered. 

Given that the form is designed to guide the user through a structured four-step process, this action contributes to the overall task progress by moving the user past the initial data entry phase. The expected next state will allow the user to continue navigating through the refund request steps, including the selection of the trip and providing necessary contact information. 

However, while this action has significantly contributed to the task, it is not yet complete—there are further steps required before the refund request can be finalized. Therefore, the score of 0.625 reflects that the user is well on their way to completing the request, having accomplished a significant portion of the task but still needing to go through additional steps.

[Score] 0.625