Query: user: I need a one way flight on any airline.
assistant: Which date do you need, and where are you departing from and arriving to?
user: I need 1 ticket for March 3rd to Seattle, WA on Delta Airlines from San Francisco.
assistant: I found 1 with Delta Airlines at 8 am with 0 stops. It costs $130.
user: From which airport?
assistant: SFO International Airport.
user: Is this a redeye?
assistant: It is not overnight.
user: Okay I need a round trip.

Intent: Flights:SearchRoundtripFlights