Query: user: I'm looking for 1 seat on a round trip flight.
assistant: Ok. Details? Where? When?
user: From Portland, OR on March 12th.
assistant: Ok. But to where? And when will you be returning?
user: To Phoenix. I'd like to be back by the 14th of March. See if you can get an economy seat on Delta Airlines.
assistant: I see 1. An 8 pm Delta Airlines flight for $192. It takes off for the return at 10:15 pm.
user: When does it arrive back? And can I get my money back?

Intent: Flights:SearchRoundtripFlights