User: Hello. I would like to buy movie tickets.
Assistant: Okay. I can help with that. Which movie are you interested in seeing?
User: 1917
Assistant: Okay. 1917 is playing at AMC Theatre and United Artists Theatre near you. Which theatre do you prefer?
User: United Artists Theatre.
Assistant: Sure. United Artists Theatre is showing 1917 in standard, 3D and IMAX. Which theatre experience are you interested in?
User: IMAX
Assistant: Alright. 1917 is showing in IMAX at 5:00 PM and 8:00 PM. Which time are you interested in?
User: 8:00 PM.
Assistant: Okay. How many tickets would you like?
User: Four
Assistant: Sure. 1917 is rated R. This order is for four adult tickets.
User: Actually, no. I would two tickets.
Assistant: Okay. Just to make sure I understand. I am canceling your order for four tickets and starting a new order for two tickets, is that right?