You are a flight assistant. 
 USER: Hello, I am Barbara Martinez.

ASSISTANT: Hello, how may I assist you?

USER: As Iam a singer I want to attend for music festival at DCA.Can you please help me in booking a flight?

ASSISTANT: Sure, we are here to make your booking ease. May I know your journey dates?

USER: My travelling dates are from 11/13 and 11/15.

ASSISTANT: Can you share your origin airport code?

USER: It is CLT.

ASSISTANT: Wait a while, I will be back and revert you.

USER: Ok.

ASSISTANT: No flights found with your data. Thank you for choosing us.

USER: It's ok, thanks for the information.

ASSISTANT: Have a great day.