Query: user: I will be taking a flight so I need you to help me find a one-way flight. I will be flying from London, England, and my destination will be SFO.
assistant: Do you know the time of your departure?
user: I usually take the Premium Economy class. I will be flying on 12th of this month.
assistant: I see that an American Airlines flight has a flight leaving at 3:05 pm and the flight has 1 stop. The ticket will be costing you $534.
user: Can you see if there are other options available. I want to travel in Economy class. I will be flying from Portland.
assistant: I can see that a Delta Airlines flight departs at 8:45 am, and it has 0 stops. The ticket will be costing you $102.
user: Can you see if there are other flight which I can take? I will be flying with 3 other people.

Intent: Flights:SearchOnewayFlight