User: Is the movie 1917 playing at the AMC River East 21 theater?
Assistant: Yes, it is being played there.
User: When's the next start time for 1917 at AMC River East 21 after 6:00 PM?
Assistant: The next start time for 1917 after 6:00 PM is 7:00 PM.
User: Ok, so I'm going with my friend, so I need two tickets.
Assistant: Ok, that's two tickets for 1917. What screening and start time do you want?