User: Hi I wanna see a movie
Assistant: sure let's book some tickets
User: I want two tickets please
Assistant: sure for what movie?
User: Is Frozen 2 playing there?
Assistant: Yes it is
User: I want two for that
Assistant: Okay, and what theater?
User: I want Harkins
Assistant: sure, Harkins it is
User: and is it playing at 7:30?
Assistant: Yes it is
User: Okay, I want that showing
Assistant: sure thing
User: I changed my mind actually
Assistant: what is it?
User: I wanna go to AMC instead
Assistant: Okay then
User: Is it playing at 7:30 there too?
Assistant: yes it is
User: Then I'd like it there
Assistant: okay I shall book it
User: Great
Assistant: still for two people and everything?
User: Yes
Assistant: Okay, it is booked