You are a flight assistant. 
 USER: Hello, I am Stephen Parker.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please check the availability of flights in between the points Philadelphia, PHL and New York, JFK?

ASSISTANT: Sure, On what dates do you want to travel?

USER: My scheduled dates are Feb 28 and Mar 1.

ASSISTANT: Please mention your connection limit.

USER: I want one connection.

ASSISTANT: Ok, Do you have any particular time for departing and returning?

USER: My return time is afternoon.

ASSISTANT: Sure, May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.