User: Hi. Could you get me some movie tickets?
Assistant: Sure. What movie are you interested in?
User: Could you find me some comedy movies?
Assistant: What about Dolittle or Bad Boys for Life?
User: I'll pick Dolittle.
Assistant: How many tickets will you need?
User: Just two.
Assistant: What theater would you like to go to?
User: AMC Studio 30 in Houston, Texas.
Assistant: What showtime would you like?
User: 8:30 PM.
Assistant: That showtime doesn't exist. Please pick another one.
User: What about 9:00 PM.
Assistant: Sorry, that showtime is not available.
User: Change the theater to AMC Houston 8 then.
Assistant: Okay. What showtime would you prefer?
User: 9:00 PM.
Assistant: Sorry, that showtime is not available.