Hello, I am Betty King.
Hello, how may I help you today?
I need to change my existing reservation due to my singing completion has been postponed. Can you please help me with changing my existing reservation?
Sure, please wait a moment, let me check your reservation and get back to you.
Ok.
Thanks for waiting, sorry, unfortunately no reservation found with provided name.
Ok, No issues, Thank you for your information.
Pleasure to serve you, have a great day ahead.