Query: user: I need a bus.
assistant: When would you like to go and where are you heading? Where would you be leaving from?
user: I will be traveling form Sacramento to Long Beach, CA on the 7th of March.
assistant: There are 7 buses available. There is bus leaving at 7:40 am. The seat is economy and it costs $74.
user: What station would it be leaving from?
assistant: Sacramento Valley Station.
user: That would work.
assistant: Would you like tickets?
user: Yes, but not now. What places can I visit when I get there?
assistant: There is a nature preserve called aquarium of the pacific.
user: Would my kids have fun there?
assistant: Yes, they would find it lots of fun.
user: Is there an entry fee?
assistant: No, it is free to enter.
user: Well, I need bus tickets for four.

Intent: Buses:BuyBusTicket