You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

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

ASSISTANT: Sure, I am glad to help you. May I know your journey dates, please?

USER: Sure, my travel dates are from Mar 02 to Mar 04.

ASSISTANT: Do you have any connection limit for your flight?

USER: I would prefer connecting flight.

ASSISTANT: Let me know about your other requirements for the trip.

USER: No more specifications.

ASSISTANT: Can I know your name to proceed further for documentation purpose?

USER: Myself Sharon Johnson.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, we have not found any flights running on your desired routes.

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

ASSISTANT: Thank you for reaching us.