You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Debra Brown here, can you please help me in booking the ticket from DCA to LAX? As I'm planning to visit Los Angeles.

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Sure, my departure date is 11/30 and my return date is 12/02.

ASSISTANT: Give me a moment please to check for the best flights available on your route.

USER: Sure, I'll wait for your response.

ASSISTANT: Ok, there is a flight 1002 in Frontier airline matching your details with price 200. Shall I proceed?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you so much for your help.

ASSISTANT: You are welcome, have a safe journey.