User: Hello. I would like to book some movie tickets.
Assistant: I can certainly help with that. Do you have a particular movie in mind?
User: I do I want to see Downhill.
Assistant: And when would you like to go?
User: This evening please.
Assistant: Is there a specific time you had in mind?
User: I think around 8 PM would work best.
Assistant: And where are you located?
User: I am in Portland, Oregon.
Assistant: Okay. How many tickets did you want to get?
User: 4 tickets please.
Assistant: Do you have a preference for the type of screen?
User: I would like Standard screen please.
Assistant: Okay. Checking availability...Downhill is showing at Century Clackamas Town Center and XD and AMC Vancouver Mall 23 at 8.
User: Hmm, actually can we try switching the showtime to 10 PM and see what comes up?
Assistant: Certainly. Regal Division Street has a 10 PM showing, Regal Lloyd Center & IMAX has a 10:10 PM showing and Regal Bridgeport Village ScreenX & IMAX has 10:05 PM.