User: Hi I wanna see a movie
Assistant: what movie?
User: Frozen 2
Assistant: what time?
User: 7:30 pm
Assistant: Yes, we have that time available
User: I will take it
Assistant: How many tickets?
User: Two tickets for the standard screen
Assistant: Okay, what theater?
User: Glendale Harkins
Assistant: Okay, the Glendale, AZ Harkins?
User: Yes, and can I change it to 3D?
Assistant: Yes, instead of standard?
User: Yeah, I don't want standard anymore
Assistant: Sure I can do that.