Query: user: Would you find me one way flights?
assistant: When will you leave?
user: I will leave on 6th of March.
assistant: Where will you visit and where are you leaving from?
user: I want to leave from SFO and go to Vegas.
assistant: How about this American Airlines flight that leaves at 10:55 am and has 0 stops? This ticket costs $99.
user: That flight sounds awesome. Would you buy me a one way ticket?
assistant: Could you confirm that you want to purchase 1 economy class ticket from Las Vegas to San Francisco on American Airlines on March 6th?
user: Sounds good to me. Is that ticket refundable? Which airport does the flight leave from?

Intent: Flights:ReserveOnewayFlight