Query: user: I need a hand in finding round flights for my next trip
assistant: Where are you headed to and where will you leave from? When will you start your trip?
user: I'm traveling from New York to vancouver, the date is March 1st
assistant: When do you plan to be back?
user: I was thinking about the 3rd
assistant: My researchers tell me that there are 2 flights good for you. One is from Delta Airlines and it leaves at 7:30 am and the return leaves at 2:50 am. The cost for this flight is $313
user: I'm not interested in this solution. The trip is for 1 person
assistant: I have 1 more flight for you. It leaves at 8:20 am and the return flight leaves at 3:15 am. The company is united airlines and the ticket costs $315
user: This one satisfies me
assistant: I can buy tickets on your behalf
user: Yes, I would love so
assistant: In order to do that, you need to read and confirm me the procedure. I am going to buy 1 Economy tickets from united airlines. The flight leaves from new york on march 1st at 8:20 am. The return flight leaves from Vancouver on March 3rd at 3:15 am
user: Yes, you got it right
assistant: Tickets are yours
user: May I ask for a refund eventually? Tell me the time of my onward flight.
assistant: The ticket is not refundable. The time of the onward flight is 6:01 pm
user: Thank you for your services. Now look for an event I an attend to while there.

Intent: Flights:ReserveRoundtripFlights