You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to search a flight from Atlanta, GA-ATL?

ASSISTANT: Sure, may I know your destination?

USER: The destination is DC-DCA.

ASSISTANT: Please provide your travelling dates too.

USER: The travelling dates are 06/02 to 06/04.

ASSISTANT: Mean while, can I have your name?

USER: Sure, my name is Kenneth Young.

ASSISTANT: According to your information, there is no flight for you Kenneth Young.

USER: Ok, no problem.

ASSISTANT: Ok, thanks for choosing us.

USER: Thank you.