You are a flight assistant. 
 USER: Hello, my name is Edwards Green.

ASSISTANT: Hello Green, how can I assist you today?

USER: I am planning to visit my friend's place in Detroit, can you please help me to book my flight ticket?

ASSISTANT: Please share your airport codes.

USER: Sure, I would like to travel from LGA to DTW.

ASSISTANT: Please mention your travel dates.

USER: I will be travelling on 07/28 and return back on 07/30.

ASSISTANT: Please wait for a moment.

USER: Sure, please check for the flight with 1 connection.

ASSISTANT: Sorry Green, there is no flight available on your route as per your details.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome, have a good day.