Query: user: Can you find a one way flight from Philadelphia?
assistant: Sure, when are you leaving?
user: On the 9th of this month.
assistant: Where are you leaving from?
user: From New York City. I need 1 refundable ticket, since my plans may change.
assistant: Sure, I found an American Airlines flight with 0 stops leaving at 7:55 am for $67.
user: Great, help me buy an economy seat on that flight.
assistant: Okay, can you confirm you'd like 1 economy ticket on the American Airlines from from New York to Philadelphia on March 9th?
user: Do Premium Economy instead, please.
assistant: Sure, please confirm you'd like a premium economy ticket for the flight on March 9th.
user: Perfect. What's the airport I'm leaving from?
assistant: I've confirmed your flight. It leaves from JFK International Airport.
user: Great, can you also search for a bus going there on the 6th of this month?

Intent: Flights:ReserveOnewayFlight