Query: user: I need a United Airlines one way flight for 3.
assistant: When for?
user: The 4th of this month.
assistant: What will your starting and ending points be?
user: Starting in Atlanta going to London.
assistant: United Airlines has 1 nice flight with 0 stops leaving at 10:30 am for $241.
user: That's perfect.
assistant: Shall I make a purchase?
user: Yes, please.
assistant: Permission needed to purchase 3 Economy tickets from Atlanta to London this March 4th with United Airlines.
user: Make the purchase.

Intent: Flights:ReserveOnewayFlight