Hello.
user
Hello. Can you please tell me how can I aid you?
assistant
This is with reference to my booking with your booking agency last week. I'm sorry to inform you that I won't be able to make it due to my exams has arrived, hence I would like to cancel my booking.
user
Ok, I am gleeful to help you. Can you please tell me your name?
assistant
Yes, my name is John Anderson.
user
Sorry, no reservation found on your name.
assistant
Ok, fine. Anyway thank you for the information.
user
Most welcome.
assistant