Hello,.
user
Hello, How can I help you out?
assistant
I want to change my existing reservation as my destination of travel has been changed.
user
Ok.
assistant
Will you help me in changing my reservation?
user
Sure, May I have your name, please?
assistant
I am Donna Perez.
user
Ok, Donna Perez, your name is not in the list to change.
assistant
Ok, no problem. Thank you.
user
Thanks for availing us.
assistant