User: Can I make a movie purchase for tonight?
Assistant: Yes, which movie would you like to see?
User: The Way Back.
Assistant: Ok, what time would you like to see this movie? Available times for right now include 7:00 pm and 9:30pm.
User: 9:30 pm sounds like it would work.
Assistant: Ok! Which movie theater would you like to go to? Regal Cinema, AMC Dine in Movie Theater, and Movies 22 all have available showing times at 7 and 9:30pm.
User: AMC Dine in Movie Theater sounds perfect.
Assistant: Got it. How many movie tickets would you like to purchase for tonight?
User: Four movie tickets for the 3d screening please.
Assistant: I can do that! To confirm, you would like to purchase four movie tickets to The Way back at 9:30pm, at AMC Dine in Movie Theater, screening preference = 3D.
User: Actually, can I change something about this purchase first?
Assistant: Sure, what can i change for you.
User: Can I change my screening preference to standard. Not a huge fan of 3d screening actually.
Assistant: No problem. To confirm you would like to purchase four movie tickets to The Way back at 9:30pm, at AMC Dine in Movie Theater, screening preference = standard.