Query: user: Could you find a flight for me? I need to go to Seattle, WA.
assistant: Sure! But first I need some more informations: when are you leaving, when are you returning and where are you flying from?
user: I'm departing from SF on the 2nd. I want my return ticket for the 9th.
assistant: I've found an Alaska Airlines flight, which leaves at 2:55 pm and returns at 12 pm. The ticket price is $126.
user: Could you find another flight?
assistant: Of course. I've also found an American Airlines flight, which leaves at 2:15 pm and returns at 10:25 pm. The ticket price is $120, which is $6 dollars less than your previous flight.
user: Could you find another flight?
assistant: Sure. I've found a Delta Airlines flight, which leaves at 8 am and returns at 6:10 am. The ticket price is $132.
user: If I regret the purchase, can I refund the ticket?
assistant: I'm sorry, but the ticket is not refundable.
user: Ok, the last flight you offered works for me.
assistant: Lovely! Would you like me to book the tickets for you?
user: Yes, I would like to book the ticket in Economy class.
assistant: Just to confirm, your Delta Airlines flight departs from San Francisco tomorrow at 8 am and goes to Seattle. You return on March 9th at 6:10 am. The seating class is Economy and the number of passengers is 1.
user: Yes, I confirm that. When and where does the onward flight arrive?
assistant: Congratulations, your ticket has been confirmed! For the onward flight, you'll arrive at Seattle-Tacoma International Airport at 10:11 am.
user: Ok, thanks for everything.

Intent: Flights:ReserveRoundtripFlights