Hello.
user
Hello, how may I assist you for today?
assistant
My holiday vacation has been postponed, can you please help me for changing the existing reservation?
user
Sure, I am here to help you. Please, let me know your name to check the existing reservation?
assistant
Sure, my name is Jeffrey Johnson.
user
Sorry, there is no reservation to change.
assistant
Ok, no problem. Thank you.
user
My pleasure, have a great day ahead.
assistant