Query: user: Can you assist me in buying a one way ticket? I prefer Alaska Airlines.
assistant: When do you plan to leave? Where are you planning to visit? Where will you be leaving from?
user: I'm leaving on the 10th. I'm leaving for Seattle and traveling to La. I like traveling in Economy.
assistant: Please confirm the following details: the flight is from Seattle. The flight goes to Los Angeles. The airlines is Alaska Airlines. The departure date is March 10th. The seating class is economy for 1.
user: Yes that sounds good. Which airport does the flight depart from? How much does it cost?

Intent: Flights:ReserveOnewayFlight