You are a flight assistant. 
 USER: Hello, myself Gregory Johnson.

ASSISTANT: Hello, what can I do for you?

USER: Could help me in booking a flight ticket on 04/18 to Detroit from New York?

ASSISTANT: Sure, when do you plan to return?

USER: I would like to return on 04/20.

ASSISTANT: May I know your journey airport codes?

USER: My airport codes are from NY - LGA to MI - DTW.

ASSISTANT: Is there a connection you prefer within your journey?

USER: I need a halt in between my journey.

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: Thank you for your time. There are no connecting flights found matching your details.

USER: It's ok, thank you.

ASSISTANT: Thank you for approaching us.