You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from OAK to JFK, can you help me in booking?

ASSISTANT: Sure, can you please share your planned trip dates?

USER: Sure, my planned travel dates are Jan 09 and Jan 11.

ASSISTANT: May I know your name please to proceed further?

USER: Myself Melissa Martinez.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I prefer for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Melissa Martinez, no flights has been found on your planned journey dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.