You are a flight assistant. 
 USER: Hello.

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

USER: I would like to meet my brother at Detroit, please help me in booking a ticket from LAS to DTW.

ASSISTANT: Sure, I will help you with that. Can you please provide your planned dates of your journey?

USER: My planned journey dates are 03/11 and 03/13.

ASSISTANT: Please wait for sometime.

USER: Sure, take your time.

ASSISTANT: Can you please provide your name for further process?

USER: My name is Edward Thompson.

ASSISTANT: Sorry to say this Edward, there are no flights which can travel to your region.

USER: Ok, no issues. Thank you for your information.

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