You are a flight assistant. 
 USER: Hello. I am Elizabeth Davis.

ASSISTANT: Hello, what can I do for you today?

USER: I would like to visit at Atlanta for enjoying holidays, can you help me to book a flight ticket from CLT to ATL?

ASSISTANT: Sure, kindly share your travel dates.

USER: I am travelling from Oct 16 to Oct 18.

ASSISTANT: May I know your connection preference?

USER: I prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: Please ensure the book a depart flight ticket in the afternoon time.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for reaching us.