Hello.
Hello, how can I help you?
Actually, I want to cancel my reservation which is done recently due to some business meeting postpone, can you please help me?
Sure, I am here to help you.
Thank you.
Please wait for a moment to check your reservation.
Sure, I will wait.
May I know your name please for Documents checking?
Sure, my name is William Jackson.
Sorry to tell you  William Jackson, there is no reservation found under your name.
Ok, no problem. Anyways, thank you for your service.
Thank you for reaching our agency, have a great day.