Hello. I am David Evans.
user
How may I aid you at this moment?
assistant
I want to cancel my reservation due to my exams has been postponed.
user
Ok, Can you please wait for a moment, I will check with your reservation.
assistant
Sure.
user
Sorry to notify, there is no reservation found on your given name.
assistant
Thank you for your response.
user
Thanks for reaching us.
assistant