Hello.
Hello, how can I aid you today?
I want to change my destination airport code in my existing reservation, can you please help me out?
Sure, we are glad to serve you.
Thanks.
Before changing your flight reservation. May I know your name?
Sure, my name is Larry Taylor.
Sorry Larry Taylor, we haven't found any previous reservation based on your name.
It's ok, thank you for the information.
Thanks for reaching us.