Query: user: I am in need of finding a one-way flight, and I want the ticket for the flight to be an Economy one. I will be flying off from London.
assistant: Can you tell me your destination? When are you going to leave with the flight?
user: I am planning on leaving on Friday next week. I want to arrive in Chicago.
assistant: There are 4 flights which match what you want. How would you like flying with the American Airlines flight which has 0 stops and leaves at 2:05 pm? The ticket for this flight costs $245.
user: This flight seems good for me.
assistant: Would you like to have tickets bought for this flight?
user: Yes I want to buy tickets for this flight, and I need tickets for three people.
assistant: Can you please confirm that you want to buy Economy class tickets for 3 people for the flight of American Airlines which leaves from London and arrives in Chicago on March 8th?
user: That would suit me well.

Intent: Flights:ReserveOnewayFlight