Query: user: Would you look for one way flights for 4 people to SD?
assistant: When will you leave?
user: I want to leave on the 14th of March.
assistant: Where do you want to leave from?
user: I want to depart from Los Angeles.
assistant: I have 4 flights that should work. How about this Alaska Airlines flight? The outgoing flightleaves at 7:30 am and it has 0 stops. It costs $55.
user: That flight sounds great. Could you help me to buy a one way flight ticket? I need a refundable ticket in case my flight plan changes.

Intent: Flights:ReserveOnewayFlight