Query: user: I'm planning a trip, can you help choose a flight?
assistant: Do you have a preferred airline? Perhaps Air France, United Airlines or any other carrier? Where are you planning to go?
user: I'm going to Seattle, WA and I like United Airlines.
assistant: Where will you be leaving from and when would you like to return?
user: Return around 05:30. I'll be leaving from Portland.

Intent: Flights:ReserveRoundtripFlights