User: I need movie tickets for tonight
Assistant: Great! What movie would you like to see?
User: Star Wars
Assistant: OK! What city are you in?
User: Salt Lake.
Assistant: Great. And how many tickets do you need?
User: 10
Assistant: Perfect. What time would you like to see the movie?
User: Around 7pm
Assistant: OK. Would you prefer a regular screen or 3D?
User: Regular
Assistant: OK. There is a showing at 7:15pm tonight.
User: Great.
Assistant: 10 tickets will be $100
User: Actually, 3D sounds really fun. Let's do that instead.
Assistant: No problem. The 3D showing is at 7pm and will be $150 for 10 tickets.