User: Hey, I need 4 movie tickets for later tonight.
Assistant: Ok. What are you seeing?
User: How about that new Joker movie.
Assistant: Joker is showing at a few locations. Do you have a preference?
User: See if regency is playing it.
Assistant: Regency is playing at 6 and 10 PM.
User: Great. Get the 10 pmshowing
Assistant: Ok. I've purchased 4 tickets for Joker for tonight at the regency.
User: Ok. Great. Thanks.
Assistant: You're welcome.
User: Hey, I need to change the number of tickets for the Joker tonight.
Assistant: Ok. What do you want to change it to?
User: 2 people canceled, so I just need two tickets.
Assistant: Ok. I'll ask for refund for the 2 tickets you don't need.