Hello, I am Nicholas Miller.
user
Hello, how may I oblige you for the day?
assistant
 I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you please help me in changing?
user
Sure, please wait for a while.
assistant
Ok.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant