Query: user: I'm going on a trip soon, can you find me a one way flight?
assistant: When do you plan to leave and where are you leaving from?
user: I'm leaving Las Vegas on the 12th of March.
assistant: Where would you like to go?
user: I'm going to SD.
assistant: I found 4 flights that match your criteria. The first flight is an American Airlines flight. The flight leaves at 8:20 am and has 0 stops. The price is $98 dollars.
user: That flight sounds great. I'm going to be travelling soon, can you buy the ticket for me?
assistant: Could you please confirm that you would like a flight from Las Vegas to San Diego on American Airlines. You would like 1 ticket leaving March 12th in the Economy section?
user: That sounds great, which airport is the flight departing from and when does the flight arrive?

Intent: Flights:ReserveOnewayFlight