You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: Please help me out in booking the ticket from LAX to DTW.

ASSISTANT: Sure, I am happy to help you about your flight ticket booking. Can you please provide your planned dates of your journey?

USER: My trip dates will be 11/26 to 11/28.

ASSISTANT: Please wait for sometime.

USER: Ok.

ASSISTANT: Please provide your name for further proceedings.

USER: Katherine King here.

ASSISTANT: Sorry to say this King, there are no flights which travels to your region.

USER: That's ok, no issues. Thank you for informing.

ASSISTANT: You are most welcome, thank you for reaching out here.