You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to meet my business partner at Detroit, please help me in booking a ticket from LGA to DTW.

ASSISTANT: Sure, can I know the travel dates please?

USER: My planned travel dates are on Feb 17 and Feb 19.

ASSISTANT: May I know your name please?

USER: My name is Kevin Lee.

ASSISTANT: Can I know the connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any requirements?

USER: I prefer an economy class.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flight available as per your request.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching us.