User: Hey, can you book a couple of tickets for a movie tonight?
Assistant: Sure thing! Which movie would you like to see?
User: I want to watch Frozen 2.
Assistant: Ok, and which theater do you prefer?
User: I like going to AMC Norwalk 20.
Assistant: Got it. Do you have a preferred time?
User: I'm looking at around 5 pm.
Assistant: Sure, and how many tickets will you want to reserve?
User: Just two.
Assistant: So there's a showing at 5:15 pm for Frozen 2 at AMC Norwalk 20, would you like me to book those?
User: No, I'm sorry, can you change the time to around 6 PM instead?
Assistant: Not a problem, do you want to keep all the other details the same?
User: Yes, please.
Assistant: Ok, I found a showing for Frozen 2 that starts at 6:00 pm at AMC Norwalk 20, would that work?
User: Yes, that's perfect!
Assistant: Would you like to book those?