User: Hi, I want to see a movie.
Assistant: Of course. Do you know what movie you want to see, or do you want some recommendations?
User: I think I want to see Star Wars.
Assistant: I can look up show times for Star Wars, and help you buy some tickets. What is your zipcode?
User: 80020
Assistant: There's an AMC Flat Irons theater in Broomfield and an Cinemark theater in Westminster. Would you like to check showtimes for either of those?
User: I want the AMC theater. No, I want the one in Westminster.
Assistant: Okay, let me pull up show times. When are you looking for?
User: Today, this afternoon.
Assistant: Okay. Would you like to upgrade to IMAX?
User: Yeah, I want to see it in IMAX.
Assistant: Thank you. Looking at show times today, there is a 2 PM and 4 PM IMAX showing for Star Wars at the AMC Broomfield theater.
User: No, I wanted the Cinemark theater.
Assistant: Okay, let me look at Cinemark instead. There's a 2 PM and 5 PM IMAX showing for Star Wars at the Cinemark in Westminster. Would either of those be okay?
User: Yes, actually, I want the 2 PM showing.
Assistant: How many tickets will you be needing for the 2 PM show?