You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Please help me in booking flight ticket from JFK to LGA.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My trip dates are Dec 11 to Dec 13.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: Jennifer White.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.