You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, could I have your journey dates, please?

USER: My journey dates are from Sept 28th to Sept 30th.

ASSISTANT: Please let me know your connection limit?

USER: I would prefer maximum number of one connection in between my journey.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: May I know your good name to proceed further?

USER: I am George Green.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.