User: Can you help me book a movie ticket?
Assistant: Yes. How many?
User: 6 movie tickets please.
Assistant: Okay and what theater do you need them for?
User: Century Stratford Square
Assistant: Is there a movie you have picked out?
User: Yes. The Call of the Wild
Assistant: Is there any special screenings you want to see of it?
User: Yes 3D please.
Assistant: Okay and is there a specific time you want to reserve these for?
User: 7 PM please
Assistant: Would that be for today?
User: No tomorrow actually.
Assistant: To confirm you want 6 tickets for The Call of the Wild in 3D for 7PM tomorrow night at Century Stratford Square.
User: Yes, but can you just make it standard instead of 3D?
Assistant: Yes I can. Is that the only change?