Hello.
user
Hello. How may I help you?
assistant
I want to book a flight ticket.
user
Sure, May I know  your details?
assistant
My name is Brenda Wilson. Departure destination is NY-JFK, Arrival destination is CA-LAX.
user
OK, Wait for a moment.
assistant
Departure date is Sep/25, Return date is Sep/27. Sure.
user
Thanks for being online, We cannot provide flights based on your requirements.
assistant
OK. Thank you.
user