User: I would like to go see a movie.
Assistant: Which ones interest you?
User: I hear No Time To Die and Mulan are good.
Assistant: Which theater do you like?
User: The Mountain AMC 16 here in Hillview.
Assistant: The Mountain AMC 16 is showing both films now.
User: Good, let's go with No Time to Die.
Assistant: When do you want to go?
User: Tomorrow evening.
Assistant: There is a 7 PM showing tomorrow.
User: That sounds good.
Assistant: How many tickets do you need?
User: Two would be good.
Assistant: Should I book this now for you?
User: Actually, I've changed my mind.
Assistant: OK, what do you want to change?