User: I'd like to buy tickets for a movie tonight
Assistant: Great! What movie would you like to see?
User: Star Wars
Assistant: OK! At which theater?
User: The megaplex by my house
Assistant: Great. How many tickets do you need?
User: I need one ticket too
Assistant: What time would you like to see the movie?
User: Around 7pm
Assistant: It's currently playing on regular or IMAX screens, which would you prefer?
User: The IMAX screen
Assistant: OK great. There's an IMAX showing at 7:15.
User: Yes, please buy that one
Assistant: OK. Two tickets will be $22.
User: Two tickets? No, I just need one ticket.
Assistant: Oh, OK. One ticket will be $11.