User: Hi, I'd like to see a movie
Assistant: Okay, what would you like to see?
User: Birds of Prey
Assistant: Okay and what day
User: Friday
Assistant: And at what time?
User: 7:00 PM
Assistant: And where do you want to see it?
User: At the AMC in West Chester
Assistant: Okay and standard or IMAX
User: IMAX please
Assistant: and how many tickets?
User: 2
Assistant: Okay, I have 2 tickets for IMAX for Birds of Prey
User: Wait, let's go with standard
Assistant: So you just want standard now instead of IMAX?