Hello.
Hello, how may I aid you today?
 I am Daniel Green want to change my reservation due to prepone of my meeting. Can you help me in changing?
Sure, we are glad to help you. By what name you have done the reservation earlier?
I have done reservation on name Daniel Green.
Please wait, I will check the reservation list and get back to you.
 Ok.
Thanks for waiting, no reservation was found by your name in the database.
Thank you for your help.
Thank you for reaching us.