Query: user: I'm going to be traveling soon, I need a one way flight.
assistant: Where are you planing to go to?
user: I am going to Paris.
assistant: Do you know your departure date and from where will you leave?
user: I would like to leave next Friday from Philly.
assistant: There are 4 flights that match your criteria. There is a flight from American Airlines with a price of $260 leaving at 4:45 pm. It has 1 stop.
user: That sounds good. Can you look for a return flight also?
assistant: When do you want to return?
user: The 10th if possible.
assistant: There is 1 flight that matches your criteria. The flight is from American Airlines with a price of $286, it leaves at 4:45 pm and returns at 4:05 am.
user: From which airport does it depart and to which does it arrive?
assistant: It departs from PHL International Airport and arrives to Charles de Gaulle International Airport.
user: That sounds great. I will be going with some people, can you buy three tickets?
assistant: Please confirm: 3 Economy class tickets for a flight from American Airlines leaving from Philadelphia and a destination of Paris. Leaving next Friday at 4:45 pm and returning on March 10th at 4:05 am.
user: That is correct, is the ticket refundable?

Intent: Flights:ReserveRoundtripFlights