Hello.
Hello, how can I be at your service today?
 I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you please change my reservation?
Sure, we will help you. Can I have your name to check your details?
Sure, I am Susan Walker.
OK, please wait a moment.
Ok.
I regret, there is no reservation found on your name to proceed further.
Ok, Thank you for your help.
Thank you for reaching us.