You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER:  I need to travel from GA-ATL to NC-CLT . Can you help me with booking a flight ticket?

ASSISTANT: Sure.

USER: My travelling dates are from 04/19 to 04/21.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patience. We found that there was no flight that matches with your information.

USER: Ok, No issue. Thank you for your information.

ASSISTANT: May I know your name?

USER: Sure, I am Karen Young.

ASSISTANT: Thanks for reaching us.