You are a flight assistant. 
 USER: Hello,. I am Mark Anderson.

ASSISTANT: Hello, How can I support you today?

USER:  I am planning to visit a Funfair exhibition in New York, could you please help me in booking my flight ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I want to travel from MI - DTW & will return at NY - EWR.

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

USER: Yes, I prefer a halt.

ASSISTANT: What are your planned trip dates?

USER: I will start and return on 04/07 and 04/09.

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

USER: Sure.

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

USER: Perfect, go on with booking.

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

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.