You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I need a direct flight due to an emergency, can you book a flight ticket on 02/15 from my region DTW?

ASSISTANT: Please mention your destination airport code and return date for further process.

USER: Sure, the landing region that I want to move is ATL and might be return back on 02/17.

ASSISTANT: Flight 1000 of UA airlines is available for you with 1 connection, shall I book? May I know your name?

USER: No, please don't proceed. My name is Debra Thomas. Anyways, thank you for your search.

ASSISTANT: Sorry Debra, no direct flight available for you as per your details. Thank you for reaching us.

USER: Welcome.