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