Query: user: I need a oneway flight Economy.
assistant: Where are you flying from?
user: I am flying from NYC on the 1st of March preferably Southwest Airlines.
assistant: Where are you going?
user: Vancouver but I need a refundable ticket.
assistant: There is 1 flight on Southwest Airlines for $295 leaving at 3:10 pm with 1 stop.
user: I would like to travel soon. I need a one way flight ticket for 3 people.
assistant: So 3 are traveling Economy today from New York to Vancouver on Southwest Airlines, right?
user: Exactly.

Intent: Flights:ReserveOnewayFlight