Query: user: Could you find me one way flights leaving from San Fran?
assistant: When will you leave and where are you going?
user: I will go to San Diego on the 1st.
assistant: I have 5 flights that should work. There is an Alaska Airlines flight that leaves at 6:10 am and has 0 stops. It costs $91.
user: When does the outbound flight arrive?
assistant: It arrives at 7:50 am.
user: Could I get a refund if necessry? Which airport does the flight depart from?
assistant: Sorry, but the ticket is non refundable. The flight leaves from SFO International Airport.
user: That flight works. Could you search round trip flights for me?
assistant: When are you returning?
user: I want to get back on Sunday this week.
assistant: I have 1 flight that will work, and it's on Alaska Airlines. The outbound flight leaves at 6:10 am and the return flight leaves at 5:10 pm. This ticket costs $102.
user: That flight sounds good.
assistant: Should I purchase the ticket?
user: Yes, I want that ticket, in economy class.
assistant: Please confirm that your flight leaves from San Francisco and goes to San Diego on Alaska Airlines today at 6:10 am. You will return the day after tomorrow at 5:10 pm. You need 1 economy ticket. Is this right?
user: Yes, that sounds good. Which airport does the flight leave from and when does the onward flight arrive?
assistant: Your ticket has been confirmed. The flight leaves from SFO International Airport and arrives at 7:50 am.
user: Thank you for helping.

Intent: Flights:ReserveRoundtripFlights