Query: user: Can you find a bus leaving from Sacramento, CA?
assistant: Sure, when are you leaving?
user: I'm leaving the 9th of this month.
assistant: Okay, where are you heading?
user: I'm going to SD.
assistant: Okay, I've found 8 buses that might work. How about a 10:20 am bus with 1 transfer that costs $71?
user: What station does it go to?
assistant: It arrives at the Santa Fe Depot.`
user: Okay, that works.
assistant: Should I buy tickets?
user: Yes, please reserve them.
assistant: How many tickets do you want?
user: I'll need tickets for three.

Intent: Buses:BuyBusTicket