Hello.
user
Hello, how may I help you?
assistant
I want to change my destination airport code in my existing reservation, can you please help me out?
user
Sure, I am here to assist you. Please help me with your name.
assistant
Sure, my name is Charles Jones.
user
Thank you. Please wait, let me check your reservation status in our database.
assistant
Ok, take your time.
user
Sorry, I did not find any reservation under your name in our database.
assistant
It's ok, thank you for the information.
user
You are welcome and thank you for choosing us.
assistant