User: Hi, I would like to buy movie tickets.
Assistant: Which movie theatre do you want to go to?
User: Any theatre in Boston.
Assistant: When do you want to go to the movies?
User: Tonight for showing at 8:55PM.
Assistant: What movie do you want to watch?
User: Dolittle
Assistant: Is there a specific screen type?
User: Standard.
Assistant: For how many people?
User: 3
Assistant: 3 tickets for Dolittle Standard at the Showplace for 8:55PM. Total cost is $30. Do you want me to confirm the order with the credit card on file?
User: No. Let's change the number of tickets to 2.
Assistant: 2 tickets for Dolittle Standard at the Showplace for 8:55PM. Total cost is $20. Do you want me to confirm the order with the credit card on file?