Query: user: Please help me search flights.
assistant: Okay. Can you tell me when you plan to leave and when you are coming back?
user: I'm leaving from Philadelphia on March 2nd, and returning from my trip to Nairobi on the 8th of March.
assistant: Great. I found 1 flight that will work for you, on American Airlines. It flies out at 4:45 pm and returns at 5:35 am, and it costs $341.
user: I need to know when the onward flight arrives and which airport it arrives at.
assistant: The destination airport is Jomo Kenyatta International Airport, flying at 5:57 pm.
user: That will work for me!
assistant: Would you like me to go ahead and buy the tickets?
user: Yes, go ahead and book the tickets.

Intent: Flights:ReserveRoundtripFlights