Hello.
user
Hello, how may I serve you today?
assistant
 I am Timothy Phillips  want to cancel my reservation due to postpone of my exams. Can you help me in cancelling?
user
Sure, please wait for a moment.
assistant
 sure, I will wait.
user
Thank you for waiting, there is no active reservation found on your name.
assistant
Ok, no issues. Thank you for your help.
user
Thank you for availing with us.
assistant