You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Find a flight for me from JFK to LGA, to meet my father.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Ok, my journey dates are from Aug 29 to 31.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: Ok, I am Lisa Roberts.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.