You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking a flight ticket from CLT to ATL?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on Dec 15 and return on Dec 17.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Any other requirement to be met?

USER: I need a single connection.

ASSISTANT: Do let me know your name to proceed further?

USER: Myself Catherine Adams.

ASSISTANT: Sorry, no flights found as per your request.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for contacting us.