Hello,.
user
Hello, how can I assist you?
assistant
David Carter here, as my college Fest has been cancelled, due to a fire accident in my college. so I want to cancel my recent reservation. Could you please help me in cancelling?
user
Sure,  we are here to help you. Please wait a moment, I will check the reservation list and revert to you.
assistant
Ok, take your time.
user
Thanks for waiting, I have checked all the reservation list but I could not find your name in the list.
assistant
Ok, not an issue. Thanks for your quick response.
user
Thank you for choosing us.
assistant