Query: user: Please find me a flight to book.
assistant: On which dates do you wish to depart and return? What is the destination?
user: I would like to travel to LAX from the 5th to the 8th.
assistant: From where will you depart?
user: I am flying from Portland, OR.
assistant: There at 5 flights that match your itinerary. There is an Alaska Airlines flight that leaves at 10:10 am and returns at 5:15 am. The ticket costs $138.
user: That works for me. Please purchase tickets for 3 people.
assistant: Please verify the details. The flight departs from Portland at 10:10 am next Tuesday and arrives at Los Angeles. The return flight is next Friday at 5:15 am. There are 3 passengers flying Economy with Alaska Airlines. Is this correct?
user: Yes, the details are correct.
assistant: Your tickets have been booked.
user: Which airport am I flying into? Can I refund the tickets?

Intent: Flights:ReserveRoundtripFlights