Query: user: Would you help me find a bus trip? I prefer Economy extra tickets.
assistant: Of course! Do you know when you'd like to leave? Where are you leaving from, and what is your destination?
user: Yes, I am planning a trip tomorrow from Sacramento to SD.
assistant: I have found 8 possible buses for you. The top option is $85 for an Economy extra ticket, departing at 10:20 am.
user: That sounds good. Can you reserve a ticket for me?
assistant: How many tickets would you like?
user: Just 1, please.
assistant: Please confirm: I am reserving 1 Economy extra ticket to San Diego. The bus leaves Sacramento tomorrow at 10:20 am.
user: Sorry, I just realized that I need to make it 3 people instead.

Intent: Buses:BuyBusTicket