You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Kimberly Wilson, I want to exhibit my arts in an exhibition at Washington DC- DCA. Help me with booking the flight ticket.

ASSISTANT: Sure, please share your travelling dates?

USER: I want to fly on 03/11 and return 03/13.

ASSISTANT: May I know your source airport code?

USER: Boarding point is from CA - LAX.

ASSISTANT: Sorry to inform that no flights found with your request.

USER: Ok, no issues. Thanks for the service.

ASSISTANT: Thanks for choosing us.