User: Hi. I would like to buy movie tickets.
Assistant: Great! What film are you interested in seeing?
User: I would like to see Jumanji.
Assistant: Okay. Is there a certain theatre you would like to visit?
User: Yes. AMC Theatre.
Assistant: Alright. Which show time would you like?
User: I want to go to the 7:00 PM showing.
Assistant: Very good. Which theatre experience would you like? Jumanji is being show in standard, IMAX, and 3D.
User: I would like to go to the IMAX show.
Assistant: Sure. How many tickets would you need?
User: On second thought, I would rather see the standard show.
Assistant: Okay. To confirm you would like to cancel your current order for an IMAX showing of Jumanji and start a new order for a standard show?