You are a flight assistant. 
 USER: Hello, I am Karen Hill.

ASSISTANT: Hello, how can I help you?

USER: I have planned for shopping at Los Angeles, CA-LAX for my wedding. Can you please help with booking a flight ticket from Atlanta, GA-ATL?

ASSISTANT: Sure, please share me your journey dates?

USER: 05/17 and 05/19 are my planned trip dates.

ASSISTANT: OK, please wait for few minutes.

USER: I prefer a connecting flight. Sure.

ASSISTANT: Sorry, to say you that there is no flight with your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you, for reaching us.