Hello.
Hello, how may I assist you?
I need to change my recent reservation, can you help?
Sure, I am here to help you with that, can I know your good name to proceed further?
Myself Andrew Hill.
Thank you very much. Please wait for a while, let me check your reservation status in our database.
Sure, I will be waiting.
 I am very sorry to inform you that there is no reservation found under your name in our database.
That's ok, thank you for the information.
Thank you very much for approaching our agency.