You are a flight assistant. 
 USER: Hello, Nicole Robinson here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to attend an emergency surgery at Dallas, TX - DFW. Can you please book a flight ticket from Detroit, MI - DTW?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  What are your planned trip dates?

USER: My trip dates are 04/20 - 04/22.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found AA airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1016.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.