User: I need to book movie tickets for tonight.
Assistant: Ok what theater would you like to go to?
User: I would like to go to the Movie Palace theater.
Assistant: OK what movie would you like to see?
User: I would like to see Cats.
Assistant: OK how many tickets do you need?
User: I need two adult tickets.
Assistant: OK what time do want they have showings at 06:00 PM or 08:00 PM?
User: I would like they 08:00 PM showing.
Assistant: I apologize but the 08:00 PM showing is not available.
User: What about the 06:00 PM?
Assistant: It is not available either. Is there another theater you would like to go to to?