Hello, myself Joshua Parker.
user
Hello, how can I assist you today?
assistant
I want to change my destination airport code in my existing reservation, can you please help me out?
user
Sure, I can help you with that. Please wait for a while.
assistant
Ok, take your time.
user
Joshua Parker, there is no reservation found under your name to do changes in that.
assistant
It's ok, thank you for the information.
user
Thank you for choosing us, have a great day.
assistant