User: Hello, I would like to purchase movie tickets.
Assistant: I will be happy to help you. What movie would you like to see?
User: We would like to see Little Women.
Assistant: What theater would you like to attend?
User: We would prefer Hollywood 10.
Assistant: What is your preferred show time?
User: We would like to see the 7:00 PM showing.
Assistant: And how many tickets do you need?
User: We need four tickets, please.
Assistant: All right, I can confirm your purchase for four tickets to the 7:00 PM showing of Little Women at Hollywood 10 Theater.
User: Actually, I have changed my mind. I would like to see a different movie.
Assistant: Okay. What movie would you like to see?
User: We would like to see Mr. Rogers Neighborhood.
Assistant: At what theater, please?
User: Hollywood 10, please.
Assistant: What show time would you prefer?
User: 7:00 PM, please.
Assistant: And would you still like four tickets?