You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to change my destination airport code, please help me in changing my existing reservation.

ASSISTANT: Sure, can I know your good name?

USER: My name is Pamela Davis.

ASSISTANT: We found a reservation on your name, please share your new trip dates.

USER: My planned trip dates are on Jan 25 and Jan 27.

ASSISTANT: Please share your airport codes?

USER: My airport codes are AUS and JFK.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the morning.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you.