Query: user: Can you search for round trip flights traveling to SFO?
assistant: From where will you be leaving from?
user: I will be leaving from Vancouver.
assistant: When do you plan to leave? When are you going to be back?
user: I am leaving on the 9th and coming back on the 11th.
assistant: There is a Delta Airlines outbound flight leaving at 5:05 pm. The return flight leaves at 5:45 pm. This ticket costs $121.
user: That flight sounds good.
assistant: May I help with anything else?
user: Can you help buy the flight tickets? I would like 3 tickets and for us to travel Economy.
assistant: Please confirm these details: 3 Economy class tickets for the Delta Airlines flight from Vancouver to San Francisco. The departure date is March 9th and the return date is March 11th. The onward flight will eave at 5:05 pm and the return flight leaves at 5:45 pm.
user: Yes, sounds pretty good.

Intent: Flights:ReserveRoundtripFlights