You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I would like to change my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation status on your name.

USER: Thank you for considering my request. Myself Gregory Perez.

ASSISTANT: I found an active reservation on your name in our database, can you provide me your location airport codes?

USER: Sure, my new  preferable airport codes are LAX and SFO.

ASSISTANT: May I know your trip dates?

USER: My planned trip dates are from Aug 18 to Aug 20.

ASSISTANT: Could you provide me your name?

USER: Sure, myself Gregory Perez.

ASSISTANT: Gregory Perez, do you have connection limit?

USER: Yes, I need a flight with connection limit-1.

ASSISTANT: Is there any other requirement?

USER: No, thank's for asking.

ASSISTANT: Here is an economy class in Hawaiian airlines, can I proceed with it?

USER: That's fine for me, please proceed with that flight ticket booking.

ASSISTANT: Your ticket has been booked with 1007 flight. Have a safe flight.

USER: Thank you for your help in booking my ticket for the flight-1007.

ASSISTANT: Thank you for reaching us.