Hello.
user
Hello, how can I assist you today?
assistant
I am Joseph Moore. Please help me in changing my existing reservation, as my exam scheduled has been postponed. Please help me in changing?
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no issues.
user
Thank you for choosing us.
assistant
Thanks for your service.
user