User: Hi! I need tickets for a movie
Assistant: what movie would you like to see?
User: I want to see the new terminator movie
Assistant: what showtime are you interested in?
User: I would like to see it at 5 PM
Assistant: I'm sorry, there are no tickets for that movie at that time
User: can I pick another time?
Assistant: what time would you like to try
User: 6 PM please
Assistant: I'm sorry, there aren't any tickets for that time for that movie