User: I need some movie tickets.
Assistant: What movie do you want to see?
User: 1917
Assistant: Where would you like to see the movie?
User: AMC River East 21 in Chicago, Illinois.
Assistant: What time would you like to watch it?
User: 9:30 PM.
Assistant: Sorry, that time is not available at this theater.
User: Change it to Logan Theatre instead.
Assistant: How many tickets will you need?
User: Just one.
Assistant: What screening type would you prefer?
User: 3D, please.
Assistant: Where would you like to sit in the theater?
User: In the front.
Assistant: You want 9 tickets to see 1917 at Logan Theatre at 9:30 PM over a 3D screen. Is this right?
User: No, I only need 1 ticket.
Assistant: The order has been changed to 1 tickets. Is that all?
User: Yes, that's it.
Assistant: Your tickets have been booked. Enjoy!