User: hello i would like tickets for movie theater.
Assistant: of course how many tickets will you need?
User: for 2 people please.
Assistant: great for today?
User: yes at 7PM please.
Assistant: okay thats available, which movie would you like to see?
User: The purge please.
Assistant: sounds fun! would you like 3D or standard?
User: Standard.
Assistant: i am sorry that isn't available for that time.