Hello,.
Hello, how may I give assistance to you?
I am Andrew Williams. I made a  earlier reservation to sign a contract for my new project, due to some problems client has cancelled my project. Can you please cancel my reservation?
Sure, I will aid you out.
Thank you.
Please wait for a couple of minutes.
Sure.
Thank you for waiting, no reservation was found on your name in our database.
Ok, no issue. Thank you.
Thank you for availing us.