Query: user: I want to travel soon. Can you help me buy a oneway flight?
assistant: Where do you want to go and where will you leave from? Do you have any preferred airlines?
user: I am leaving Sydney and traveling to SD. I prefer Delta Airlines if possible.
assistant: When do you want to leave?
user: I'm leaving March 12th.
assistant: Please confirm: 1 passenger flying from Sydney to San Diego on Delta Airlines, March 12th. sitting in Economy class.
user: Yes that's good. What airport does the flight arrive into?

Intent: Flights:ReserveOnewayFlight