Hello, I am Janet Green.
user
Hello, how can I help you today?
assistant
I would like to alter my reservation, as my exam scheduled has been postponed. Could you help me in changing my reservation?
user
Sure, I am happy to help you. Please wait for a while.
assistant
Ok.
user
Sorry, there is no reservation found on your given name.
assistant
Ok, no issues.
user
Thanks for choosing us.
assistant
Thanks for your help.
user