Query: user: I am planning for a trip. I need your help to search for a round trip flight, can you find me something?
assistant: Yes, I can find you a best and let me know When and Where are you leave from and on which date you need to book the return flight?
user: I need to book a flight on the 6th from Paris, France and will be return on 13th of March.
assistant: Let me know the destination place.
user: Ya, I am travelling to LAX.
assistant: Found 2 results: An American Airlines flight which takes off at 4:05 am and return flight at 9:40 am for which the ticket cost is $388.
user: Is there any other flight from Portland, OR to SD?
assistant: Yes, found 2, A flight from Alaska Airlines takes off at 5:40 pm and return flight at 1:20 pm with ticket cost $153. Is that okay for you?
user: from which Airport does the flight leave from? and please confirm that you have checked for First Class ticket?
assistant: No, it is a Economy class ticket and the flight leaves from PDX International Airport.
user: Okay, please find for one way flight.
assistant: Again I found Alaska Airlines flight takes off at 5:40 pm with 0 stops and ticket cost will be $144. Please confirm.
user: Yes, that is okay for me, thanks.

Intent: Flights:SearchOnewayFlight