User: Hi, I would like to buy movie tickets.
Assistant: Which movie theatre do you want to go to?
User: AMC in Boston.
Assistant: What movie do you want to watch?
User: Gentleman.
Assistant: When do you want to go to the movies?
User: Tonight, at 7:00PM.
Assistant: How many people?
User: 4
Assistant: What screen type?
User: Standard
Assistant: There is a showing at 7:00PM. The total price is $46.
User: Can you change the number of tickets to 2 instead?
Assistant: Okay. The total price is $23.