Query: user: I need a flight.
assistant: Where are you going and leaving?
user: I wan to travel in Economy from LA to London.
assistant: When are you returning?
user: I am going to Chi-town and return on the 8th of this month.
assistant: What day are you leaving?
user: I am departing on March 2nd.
assistant: Search revealed 3 flights. I found an American Airlines flight that leaves at 8:30 am and the returning flight departs at 4:30 am. It costs $180.
user: That works for me.
assistant: Do you want to buy tickets?
user: No, not right now. Can you find oneway flights for an upcoming trip?

Intent: Flights:SearchOnewayFlight