User: I'd like some movie tickets.
Assistant: Do you know what movie you'd like to watch?
User: Yes. 1917.
Assistant: What theater would you like to watch it at?
User: AMC Studio 30.
Assistant: What showtime and day would you prefer?
User: Today at 8:00 PM.
Assistant: What screening type would you prefer?
User: IMAX.
Assistant: How many tickets will you need?
User: Wait. I'd like to change the screening type.
Assistant: Okay. What screening type would you prefer?
User: Standard.
Assistant: How many tickets will you need?