You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am planning to visit Charlotte, will you help me in booking the flight ticket from DCA to CLT?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travel dates are Oct 30 and Nov 01.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in direct flight.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Ok, please share your name.

USER: Myself Rebecca Brown.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.