User: Hi, Can you help me with movies?
Assistant: Sure, do you have a particular movie in mind?
User: Yeah, I want the White Fang movie.
Assistant: Sure, do you know what theater you prefer?
User: I'm interested in the Cinemark in San Fran,
Assistant: Sure, Do you prefer a certain time?
User: Yes, around 7 pm. is there one then?
Assistant: There is a 7 pm showing, would you like tickets?
User: sure, 2 please.
Assistant: I have you for 2 tickets to White Fang, 7 pm showing at Cinemark tonight?
User: I'd like to change that, I have decided on a different Theater, how about the Metreon Cinema Downtown San Fran, do they have White Fang?
Assistant: Sure they do, do you want the same general time?
User: yes, that's fine.
Assistant: There is a 7:10 pm showing, is that ok?
User: Yes, that's fine, I don't want to deal with parking at Cinemark.
Assistant: So I have 2 at Metreon, 7:10 pm showing, tonight, White fang, is there anything else?