Query: user: I'm trying to find a one way flight for four people on the 5th of March.
assistant: What is your destination and your departure place?
user: Leaving from Toronto, Canada and going to Philly.
assistant: I have 3 possibilities for you, and Air Canada flight leaving at 1:25 PM with one stop for $149.
user: Departing from where?
assistant: It leaves from Toronto Pearson International Airport.
user: What else do you have?
assistant: I have an American Airlines flight leaving at 12:50 PM for $146 with 1 stop.
user: What else is available?
assistant: There is a United Airlines flight with 1 stop leaving at 5:35 PM for $221.
user: That sounds like a possibility. I like economy seats.
assistant: What is your return date?
user: The return is March 7th.
assistant: I have a United Airlines flight leaving at 5:35 PM and coming back at 11:30 AM for $240.
user: What's the arrival time of the return?
assistant: It comes back at 5:08 PM.
user: That sounds like it will work.
assistant: Would you like to reserve that?
user: Yes, I would.
assistant: Please confirm, leaving from Toronto and going to Philadelphia on United Airlines next Tuesday and returning next Thursday. The onword flight departs at 5:35 PM and returns at 11:30 AM, seating in economy for 4 passengers.
user: Sounds OK, where does it fly into?
assistant: It flies into PHL International Airport. The booking is complete.
user: What is the arrival time of the onward flight and can the ticket be refunded?
assistant: The arrival time is 0:16 AM and it is a non refundable ticket.
user: Sounds perfect, thank you.

Intent: Flights:ReserveRoundtripFlights