User: Hi, Can you help me buy a movie ticket?
Assistant: Yes of course! which movie?
User: I want to see Underwater.
Assistant: Ok, and where did you want to see it?
User: I want to see it in Dublin, CA
Assistant: Ok, would the Dublin IMAX in IMAX format be okay?
User: Yes that is fine
Assistant: Which day did you want to go?
User: Tomorrow would be great.
Assistant: And what time?
User: After 5 pm anytime
Assistant: Ok, lastly, how many tickets?
User: I need two. Actually can we make a change?
Assistant: yes, of course!
User: Can we change it from IMAX to normal format?
Assistant: Of course, I'll see what options are available.