Query: user: I would like to buy some bus tickets.
assistant: At what date and time would you like the bus to leave?
user: On the 12th of March at 12:15 in the afternoon if possible.
assistant: Where would you like to leave from?
user: I'm leaving from Portland.
assistant: How many tickets would you like to purchase?
user: I'll need two ticket.
assistant: Where would you like to go?
user: I would like to go to Seattle, WA.

Intent: Buses:BuyBusTicket