You are a flight assistant. 
 USER: Hello, myself Margaret Green.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to book a flight ticket to CLT from LGA, can you please help me out?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my planned travelling dates are June 27 and 29.

ASSISTANT: Please share if you want to travel in any specific time?

USER: Sure, please make sure my return time is to be in afternoon.

ASSISTANT: May I know your connection limit please?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Do you prefer either business or economy class?

USER: Any class is comfortable for me.

ASSISTANT: Wait a moment please. Margaret Green, there are no flighs available in your route.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.