You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Donna Jones. I am planning to attend business meeting at CLT, can you please help me with booking a flight ticket from DTW?

ASSISTANT: Sure, please share your travel dates.

USER: Sure, I would like to take off on 07/03 and return back on 07/05.

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

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

ASSISTANT: You are welcome.