Query: user: I have a trip coming up. Can you find me oneway flights?
assistant: Where will you be leaving from and where are you planning to visit?
user: I'm going from ATL to London.
assistant: When do you plan to leave?
user: I am leaving Thursday next week and would like to travel in the Economy class.
assistant: American Airlines has an 8:40 pm flight with 0 stops for $269.
user: Which airport does that flight leave from?
assistant: Hartsfield-Jackson International Airport is the departing airport.
user: Is the ticket refundable? When does the onward flight arrive?
assistant: The ticket is not refundable for the class. The onward flight arrives at 10:44 am local time.
user: That sounds good. Can you assist me in buying the oneway flight ticket?
assistant: Yes I can. That will be American Airlines flight from Atlanta to London in the Economy class for 1 passenger, departing next Thursday.
user: Yes that sounds good. Which airport does the flight arrive at?
assistant: This flight lands at Heathrow International Airport.
user: Thanks for you help.

Intent: Flights:ReserveOnewayFlight