You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, please provide your itinerary dates.

USER: My planned travel dates are Dec 23-25.

ASSISTANT: May I know your name?

USER: Myself, Timothy Williams.

ASSISTANT: Sorry Timothy Williams, no flights are available on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.