Query: user: Find me a bus to reserve.
assistant: When and where are you leaving?
user: I want to depart NYC at 7:15 pm on the 12th of this month.
assistant: Where are you travelling to and how many people are going?
user: Two people are going to Philly.
assistant: You want 2 tickets from New York to Philadelphia that departs at 7:15 pm on March 12th. Is that right?
user: Yes, that is right. What is the arriving station?
assistant: I can't find the ticket that you want. There is a bus that leaves at 7:40 pm and arrives at Intercity Terminal. It costs $25.
user: That will be good.

Intent: Buses:BuyBusTicket