Query: user: I want to find something to do in New York. What has no admission fee?
assistant: The American Museum of Natural History is a great museum
user: Ok I'll go. Find me a bus
assistant: Where from?
user: I'll head out from Philadelphia
assistant: And leaving when?
user: I'll depart on the 5th of this month. There will be 2 of us
assistant: I found a bus departing at 8:30 am for $24 in economy class
user: Can I get the names of the bus stations?
assistant: This is a trip from Intercity Terminal to Port Authority Station
user: Search for a bus from Washington instead
assistant: I found 8 options. The first leaves at 8:10 am for $36 in economy
user: Do you have anything in economy extra?
assistant: Yes, 7 options. I have one leaving at 8:20 am for $49 in economy extra
user: Yes I like that one
assistant: Would you like to book a reservation?
user: Yes, buy me tickets

Intent: Buses:BuyBusTicket