Query: user: I need to make a bus reservation.
assistant: What are your departure and arrival cities? What date are you leaving?
user: I am looking to leave Sacramento on Tuesday next week. I am going to Vegas.
assistant: How many tickets do you need?
user: I need 3 tickets.
assistant: What is your departure time?
user: I want to leave at 11 am.

Intent: Buses:BuyBusTicket