Hello, I am Amanda Miller.
Hello, how may I aid you?
 I want to change my recent reservation as my joining date got postponed. Can you help me in changing?
Sure, I am here to help you.
Thank you.
Please wait for a moment, I will check the reservation list and revert you.
Sure.
Thank you for waiting, There was no reservation found on your name.
Not a problem. Thank you for your information.
Thank you for approaching us.