User: Hi. I'd like some movie tickets.
Assistant: Okay. What movie do you want to see?
User: 1917
Assistant: What theater would you like to watch it at?
User: I want to watch it at AMC Studio 30.
Assistant: How many tickets would you like?
User: I'd like two tickets.
Assistant: What day would you like to watch it?
User: Today.
Assistant: What showtime would you prefer?
User: 8:00 PM.
Assistant: What screening type would you prefer?
User: Wait. I'd like to change the showtime.
Assistant: Okay. What showtime would you prefer instead?
User: 7:30 PM.
Assistant: What screening type would you prefer?