User: I am interested in seeing Dune.
Assistant: Ok, what theater do you want to see it at?
User: I'd like to see it at the AMC in courthouse
Assistant: Ok, got it. What time?
User: I'd like to see it at 8:00 PM.
Assistant: Ok, how many tickets would you like to get?
User: I'd like to get 1 ticket please.
Assistant: Ok, 1 ticket.
User: Can you confirm the order?
Assistant: Yes, that will be one ticket at 8:00 PM at the Courthouse AMC.
User: Actually, you know what, I changed my mind.
Assistant: Ok, so you don't want me to purchase that ticket?