Hello.
Hello, how can I help you today?
 I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed.
OK.
Can you please help me in changing my reservation ?
Sure, we are here to help you only. May I now your name to check your reservation?
I am Rachel Johnson.
Sorry, no reservation has been registered with us on your name.
Ok, no problem. Thank you.
Thanks for reaching us, have a nice day.