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.
assistant: Please confirm that you will leave from San Francisco to Portland on Delta Airlines. You will depart next Wednesday at 8 am. You will return on March 12th at 9:15 am. You need 2 economy tickets.
user: Yes, that sounds right.
assistant: Sorry, I was unable to book the flight. How about a Delta Airlines flight that leaves San Francisco and goes to Portland next Wednesday and returns March 12th?
user: That should work.

Intent: Flights:ReserveRoundtripFlights