Query: user: I want to go on a short trip. WOuld you help to find tickets? I'd like to return on the 12th.
assistant: What date and time do you want to leave?
user: I'd like to leave on the 6th of this month at about morning 8.
assistant: When would you like your return flight to leve?
user: I'd like to travel to Portland from SFO and can leave morning 9:15.
assistant: Do you have a favorite airline? What about Southwest Airlines, Delta Airlines or something else?
user: I like Delta Airlines. I will need 2 tickets.

Intent: Flights:ReserveRoundtripFlights