User: Hi I wanna see a movie
Assistant: Sure, what one?
User: I wanna see Frozen 2
Assistant: How many tickets?
User: I want two
Assistant: What theater?
User: I want Harkins in Glendale, AZ
Assistant: Okay, that will be the Harkins Arrowhead 18
User: Yes, that one
Assistant: Okay and 3-D or standard?
User: I want standard
Assistant: Okay so I will go ahead and book that
User: Actually I changed my mind
Assistant: what is it?
User: I want it in 3-D instead
Assistant: Okay, I will book that