User: Could I get some movie tickets?
Assistant: Sure. What movie do you want to see?
User: 1917
Assistant: Where would you like to watch it.
User: In Green Bay, Wisconsin.
Assistant: What time would you like to watch the movie?
User: 8:00 PM
Assistant: What screening type would you like?
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 like instead?
User: 3D.
Assistant: Okay. How many tickets will you need?