User: Hello. I'm going to need movie tickets.
Assistant: Okay. What movie do you want to see?
User: I'd like to see Dolittle.
Assistant: What theater would you like to go to?
User: I'd like to go to AMC Studio 30.
Assistant: What day and time would you like?
User: I want to watch it this Friday at 8:00 PM.
Assistant: How many tickets will you be needing?
User: Wait. I'd like to switch the showtime.
Assistant: Alright. What showtime would you like instead?
User: 9:00 PM.
Assistant: How many tickets will you be needing?