User: I'd like to get two tickets to see Beverly Hills Cop
Assistant: Ok, at what theater?
User: The AMC nearby in Arlington, VA.
Assistant: Ok, at what time would you like the tickets?
User: 7:00 P.M. please.
Assistant: Ok, what type of seats?
User: In the back row.
Assistant: It looks like there aren't any of those available.
User: Ok, what about 8: 00 P.M. then?
Assistant: It doesn't look like those are available.
User: Darn, ok, what about Shrek?
Assistant: Do you want to see Shrek?
User: Yes, at the AMC in Courthouse.
Assistant: Ok, at what time?
User: At 7:00 P.M. please.
Assistant: Ok, let me check to see if any are available.
User: Ok.
Assistant: It appears that we have some seats. Where would you like to sit?