Hello. I am Benjamin Allen.
user
Hello, how can I help you?
assistant
I need to change my existing reservation, as my exam got postponed. Please help me in changing?
user
Sure, I am willing to help you. Please wait a minute.
assistant
Ok.
user
Thank you for waiting, so to inform we didn't find any reservation on your name.
assistant
Ok, no issues.
user
Thank you for availing us, have a nice day.
assistant
Thank you for your service.
user