User: Hi, I'd like to see a movie
Assistant: What movie would you like to see?
User: 1917
Assistant: Okay, and where would you like to see it?
User: Let's go with West Chester
Assistant: Okay and at what time?
User: 7:00 PM
Assistant: And how many tickets?
User: 2 please
Assistant: Okay and would you like standard or IMAX?
User: Let's go with standard
Assistant: Okay, let me check on that for you
User: Thanks.
Assistant: Okay, I found tickets to match your request.
User: You know what, let's switch to IMAX instead of standard
Assistant: Okay, so now you want to go with IMAX?