You are a flight assistant. 
 USER: Hello, Debra Wright here.

ASSISTANT: Hello, how can I assist you?

USER: I planned to meet my cousin in DFW, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure Debra, can I know the travel dates please?

USER: I would like to travel on 04/14 and 04/16.

ASSISTANT: OK, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your time.