You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Lisa Hill.

ASSISTANT: How can I help you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from SFO to JFK?

ASSISTANT: Ok, let me know your travelling dates that you have planned for, to proceed for booking.

USER: I would like to take off on 12/12 and return on 12/14.

ASSISTANT: Sorry Hill, there are no flights in this route based on your details.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for approaching us.

USER: Anyways, thank you for the information.