You are a flight assistant. 
 USER: Hello, I am Paul Rodriguez.

ASSISTANT: Hello, how may I assist you for today?

USER: Can you please assist me in booking a flight ticket to Atlanta, ATL?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: My schedule dates of journey is 12/12 to 12/14.

ASSISTANT: Kindly, mention your origin airport code.

USER: Washington, DCA is my boarding point.

ASSISTANT: No flights found on your journey locations.

USER: It's ok, no problem.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your information.