Query: user: I'd like you to find me some one-way flights.
assistant: I can do that. When did you want to leave and where from?
user: I'd prefer to go Economy, and I'll be leaving from San Diego on Tuesday next week.
assistant: What are you headed then?
user: I'll be flying to Sydney, NSW.
assistant: Okay, I've found 4 flights for you. There's an Alaska Airlines flight at $245. It leaves at 6:45 am and has 1 layover.
user: Actually, let's switch to Premium Economy. Are there any flights fitting that criteria?

Intent: Flights:SearchOnewayFlight