Hello.
user
Hello, What kind of help are you expecting from our side?
assistant
 I want to change my destination airport code in my existing reservation, can you please help me out?
user
Sure, I can change your reservation right now. Before that I need to know your good name please?
assistant
My name is Raymond Smith.
user
Ok, wait for some time I will check the reservation on your name and get back to you.
assistant
Sure, I will wait for your information.
user
We are sorry to say that, there is no active reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thanks for approaching us.
assistant