Hi.
Hello, how may I assist you today?
I want to cancel my reservation which is done recently due to some health issues, can you please help me?
Sure, we are here to help you.
Thank you.
May I know your name to proceed for cancelling your ticket?
Sure, my name is Charles Mitchell.
 Sorry, no reservation found on your name to cancel.
Ok, no problem. Thank you for your service.
Welcome, thank you for reaching us.