Query: user: I need a round trip flights from Los Angeles. I want to come back on the 9th of this month
assistant: What is the departure date? Where do you want to go?
user: I want to go to NY. Date of departure on the 2nd
assistant: There are 4 flights. With American Airlines there's a fligh at 6:20 pm, with return at 3:40 pm. It costs $256
user: What is the destination airport? What time does the return flight land?
assistant: The destination airport is JFK International Airport. The return flight lands at 7:57 pm
user: Ok, It's perfect for me! I want to buy the ticket

Intent: Flights:ReserveRoundtripFlights