You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kimberly Johnson here.

ASSISTANT: How may I assist you?

USER: Do you have any connecting flight from CLT and DCA?

ASSISTANT: Sure, may I know your planned trip dates please?

USER: My trip dates are Nov, 16  and return on Nov, 18 at evening.

ASSISTANT: Do you have any requirements?

USER: I already mention above just I need that, more than that I do not have any other requirements.

ASSISTANT: Kimberly Johnson, no flights has been found on your planned travel dates.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for choosing us.