Hello.
user
Hello, how can I assist you?
assistant
I am Sandra Hall. I want to alter my reservation, as my exam scheduled has been postponed. Could you help me in changing?
user
Sure, I am happy to help you. Please wait for a while, I will check the reservation on your name to change it.
assistant
Ok.
user
Thank you for your patience, There was no reservation found on your specified name.
assistant
Ok, no issues. Thanks for your quick response.
user
Thank you for contacting us.
assistant