User: Can you reserve some movie tickets for me for tonight?
Assistant: Sure, for which film?
User: I want to see Sonic the Hedgehog in 3D.
Assistant: Got it, and what city should I search in?
User: Look in Norwalk.
Assistant: What time would you like to watch it?
User: Around 6 PM.
Assistant: How many tickets will you need?
User: Just 1 ticket.
Assistant: Alright, I found a 3D showing for Sonic the Hedgehog at AMC Norwalk 20 that starts at 6:15 PM, does this sound ok to you?
User: I'm sorry, I change my mind. Can you make it an IMAX showing instead of 3D?
Assistant: Sure, let me look again.