You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Daniel Scott here.

ASSISTANT: How can I aid you?

USER: Do you have any flight from DTW to meet my friend who was staying in MSP?

ASSISTANT: Sure, may I know your journey dates please?

USER: I would like to travel on 12/31 and return back to my place on 01/02.

ASSISTANT: Wait for a while please.

USER: Sure.

ASSISTANT: Daniel Scott, there are no flights available in your route.

USER: That's fine, thanks for your help and valuable information.

ASSISTANT: Thank you for approaching us.