Build a chatbot dialogue to take customer order.
user
Customer: Hi there, I'd like to order a pizza.

Chatbot: Hi there! What type of pizza would you like to order? 

Customer: I'd like to order a large pepperoni pizza.

Chatbot: Great! Any extra toppings?

Customer: Can I add mushrooms?

Chatbot: Sure thing - a large pepperoni pizza with mushrooms. Anything else? 

Customer: That's it.

Chatbot: Alright, your order for a large pepperoni pizza with mushrooms has been placed. Please confirm your address and we will deliver your order shortly.
assistant