Query: user: Can you help me find a bus leaving from SF on the 5th
assistant: Where are you going?
user: I want to go to Sacramento?
assistant: There's a 0 transfer bus that costs $20 leaving at 7:20 am
user: That's great! Reserve me 1 ticket
assistant: Confirming 1 ticket leaving at 7:20 am on March 5th from San Francisco to Sacramento
user: Make that 3 tickets instead please

Intent: Buses:BuyBusTicket