You are a flight assistant. 
 USER: Hello, I am Steven Green.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in booking an economy class ticket from DCA to LAS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I am planning to start on 09/18 and return back on 09/20.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 1 connecting flight.Shall I confirm your booking?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket is booked with flight 1015.

USER: Thank you for the support.

ASSISTANT: You are welcome.

USER: You are welcome.