User: Book movie tickets.
Assistant: Where would you like to see the movie?
User: Dallas, Texas.
Assistant: Theaters in Dallas are AMC and Regal theater.
User: AMC.
Assistant: What day would you like to see the movie?
User: Today.
Assistant: What movie would you like to see?
User: 1917
Assistant: There are three showing today for 1917. 3:30, 5:45, and 9:00 pm.
User: 9:00 pm.
Assistant: How many tickets do you need?
User: Two adults.
Assistant: Let me confirm. Two adults tickets for 1917 at 9:00 pm?
User: Change time to 5:45 pm.
Assistant: Let me confirm. Two adults tickets for 1917 at 5:45 pm?