You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Could you book a ticket from ATL to CLT?

ASSISTANT: Please provide your trip dates?

USER: My trip dates are 12/10 and 12/12.

ASSISTANT: May I know your name?

USER: I want to book a ticket in the name of Michelle Carter.

ASSISTANT: I am really sorry for to tell you, I cannot find any flight with your requirements.

USER: No problem. Thank you for checking.

ASSISTANT: It's my pleasure, have a nice day.