Query: user: I would like to travel soon. Please buy me a oneway flight to Phoenix, AZ.
assistant: When and where will you be leaving from? Do you prefer British Airways or Alaska Airlines?
user: I will be leaving Vancouver, BC on the 12th. I will be travelling with two other people. Either business or economy class is fine with Air Canada.
assistant: Please confirm the following flight information: Air Canada flight leaving on March 12th from Vancouver to Phoenix for 2 passengers in Economy class.
user: Yes, that sounds correct.
assistant: Your oneway flight is confirmed.
user: What airport does the flight depart from? What is the cost of the trip?

Intent: Flights:ReserveOnewayFlight