User: I want to see a movie today.
Assistant: I'm happy to help you buy some movie tickets. Do you know what you'd like to see, or do you need some suggestions?
User: Sam's Delight.
Assistant: Great. How many tickets do you need?
User: 2.
Assistant: Wonderful. Your preferred theater is set to AMC Orchard 12 in Westminster. Shall we look here?
User: Yes.
Assistant: Current showtimes for Sam's Delight include: 4:45 PM, 6:30 PM, 8:40 PM, 10:10 PM.
User: 8:40.
Assistant: Wonderful. So let's review. You'd like to buy 2 tickets to see Sam's Delight at the AMC Orchard 12, today, April 28th, at 8:40 PM. Is that correct?
User: Actually, no, I want to change something.
Assistant: No problem. What would you like to change?