Query: user: Can you help me find a one-way British Airways flight?
assistant: Of course. When are you leaving?
user: On the 6th of this month.
assistant: Where are you traveling to?
user: I am heading to SFO
assistant: Where will you depart from?
user: I am leaving from London England on the 6th.
assistant: I found 1 flight. There is a British Airways flight departing at 9:15 am that has 1 stop. Tickets are $411
user: That sounds good
assistant: Do you want me to purchase a ticket for you?
user: Yes please do
assistant: To confirm: You wish to purchase 1 economy ticket on British Airways leaving London on March 6th for San Francisco. Is this correct?
user: Yes it is. Which airport does it depart from? Is the ticket refundable?

Intent: Flights:ReserveOnewayFlight