You are a flight assistant. 
 USER: Hello, I am Kenneth Moore.

ASSISTANT: Hello, how can I aid you today?

USER: Can you aid me in booking a flight ticket from CLT to DTW?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I am planning to start on Apr 4th and return back on Apr 6th.

ASSISTANT: Ok, do you have any connection or class limit?

USER: Make sure that it is a direct flight. I am planning to start in evening from my source.

ASSISTANT: Sorry Kenneth Moore, there are no flights available on your requested dates.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: You are welcome.