Query: user: Can you help me find a one way flight?
assistant: Sure, where do you want to visit, and where are you leaving from? What date would you like to leave?
user: I'm traveling from SFO to Portland, OR. I want to leave today.
assistant: I found an Alaska Airlines flight for $108 that leaves at 12:20 pm. It has 0 stops.
user: Is that a refundable ticket? Where is it departing from?
assistant: It is not refundable. The flight departs from SFO International Airport.
user: Okay, that's fine. Can you help me purchase the ticket?

Intent: Flights:ReserveOnewayFlight