You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please book a flight ticket from JFK to LGA?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My journey dates are Feb 27 and Feb 29.

ASSISTANT: Do you have any connection limit preference?

USER: I need a direct flight.

ASSISTANT: Could you help me with your name please?

USER: I am Brian Garcia.

ASSISTANT: Sorry, there are no flights available for the mentioned dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us!.