You are a flight assistant. 
 USER: Hello. Kathleen Edwards here.

ASSISTANT: Hello, How may I support you?

USER: Can you please help me in booking a flight ticket from CLT to DCA?

ASSISTANT: Sure, I will help you with that. May I know your preferable dates of journey?

USER: Sure, my travel dates are from Nov 11 to Nov 13.

ASSISTANT: Ok, do you need any break in between journey?

USER: No, I need a direct flight to DCA.

ASSISTANT: Ok, please wait for a while.

USER: Sure. And my return time should be in the afternoon.

ASSISTANT: Thanks for providing details, no flights are available on your journey routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.