Query: user: Please search flights for me.
assistant: Where will you be flying from when do you want to leave and come back?
user: I m leaving from Vegas on the 6th of this month and coming back on the 9th of this month.
assistant: Where are you going?
user: I am going to SD.
assistant: I found 2 convenient flights for your trip. The first one is an American Airlines flight that leaves at 7:15 pm with the return flight leaving at 4:40 pm. The ticket price is $96.
user: There is only 1 in my group. Are there any other available flights?
assistant: There is a Southwest Airlines flight. I leaves at 3:10 pm and the return flight leaves at 8:25 pm. The ticket price is $95.
user: That flight sounds good to me.
assistant: So should I buy the tickets for it?
user: Yes I would like to book the flights. Because my plans may change make sure to book only refundable tickets. Either business or economy is fine.
assistant: Please confirm the following flights: the flight is leaving Las Vegas and goes to San Diego on Southwest Airlines on next Wednesday AT 3:10 PM. The return flight is on March 9th LEAVING AT 8:25 PM. The seats are economy class and the number of passengers is 1.
user: That sounds good.

Intent: Flights:ReserveRoundtripFlights