You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: Please book me a flight ticket from DTW to LGA to meet my family.

ASSISTANT: Sure, kindly assign your journey dates that you prefer to travel?

USER: I have planned to travel on Dec 07th and return on Dec 09th.

ASSISTANT: Do you prefer any way station in between journey?

USER: Yes, I prefer connecting flight.

ASSISTANT: May I know your name please?

USER: Myself Richard Hall.

ASSISTANT: Do you have any more specifications in your journey?

USER: No.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your credentials.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for connecting with us.