User: Can you assist me in purchasing movie tickets?
Assistant: Of course. What day are you wanting to see the movie?
User: Tomorrow.
Assistant: Okay. What city?
User: Austin, Texas.
Assistant: Thanks. Would you like to go to the Regal theater or the Alamo Drafthouse?
User: Regal theater.
Assistant: Okay. Do you know what movie you are going see?
User: Yes, Birds of Prey.
Assistant: Okay. How many tickets do you need?
User: Two.
Assistant: Would you like IMAX or standard?
User: IMAX.
Assistant: There are two IMAX showings. One at 5pm and one at 9pm.
User: 5pm please.
Assistant: So, that's two tickets for Birds of Prey at 5pm.
User: Can I change it to the later showing?
Assistant: Sure, so it's two tickets for Birds of Prey at 9pm?
User: Yes.
Assistant: Okay, I will book that now for you.