Query: user: I feel like traveling soon. Can you help me by a one way ticket to London?
assistant: Do you have a favorite airline? Maybe Delta Airlines or American Airlines? Where will you be leaving from and when?
user: I am leaving from Washington on Tuesday next week. I prefer Southwest Airlines.
assistant: Please confirm the following details: The flight is from Washington and goes to London, the airlines is Southwest Airlines with a departure date of next Tuesday and the number of passengers is 1 with a seating class in Economy.
user: No. There are four people and I actually prefer American Airlines.

Intent: Flights:ReserveOnewayFlight