Hello.
Hello, how exactly I can help you with?
 Recently I had a reservation with the name of Brian Young, to attend for horse racing festival. I cannot attend there due to some health issues. Can you cancel my reservation?
Sure, I am grateful to help you. Please standby, I will revert to you.
Ok, take your own time.
Thanks for waiting, I found a reservation with your name. Shall I proceed to cancel?
Yes, please proceed to cancel.
Your flight reservation is cancelled.
Thank you for your kind response.
Thank you for availing us, hope to serve you again.