Query: user: I'm looking for bus tickets to Las Vegas.
assistant: What time and from where do you want to depart?
user: I'm planning on departing at 7:15 pm from Sacramento, CA.
assistant: What date are you departing?
user: I'm planning to depart on the 4th.
assistant: How many tickets do you want to purchase?
user: I just need one ticket.

Intent: Buses:BuyBusTicket