User: I need you to book me some movie tickets.
Assistant: I can help you with that. What theater would you like?
User: I would like to go to the Alamo Drafthouse in Houston.
Assistant: Okay. Do you know what movie you are going to see?
User: Yes. I want to see 1917.
Assistant: How many tickets?
User: Four.
Assistant: All adult tickets?
User: Yes.
Assistant: Would you like IMAX, 3D, or standard?
User: Standard.
Assistant: Okay, there is a 5 PM showing and a 7:30 PM showing.
User: 7:30 is good.
Assistant: Okay then. Four tickets for 1917 at 7:30?
User: Actually can you tell me what time the IMAX showings are?
Assistant: Sure. They have one for 6 PM.
User: Let me change it to that.
Assistant: So, that is four tickets to 1917 at 6 PM.