You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am Ryan Collins. I would like to visit Detroit to meet my cousin, can you please help me to book a flight ticket from DTW to DTW?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, my preferable travel dates are Nov 06 and Nov 08.

ASSISTANT: Noted. Do you have any preferences?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no direct flight available on your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome, have a nice day.