Hello. I am Stephanie Carter.
user
Hello, how can I serve you today?
assistant
I need to alter my reservation, as my exam scheduled has been postponed. Could you help me in changing?
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting, sorry to say that, no reservation was found with your good name.
assistant
Ok, no issues.
user
Thank you for choosing us.
assistant
Thank you for your service.
user