Hello,.
user
Hello, how may I amend you?
assistant
 I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you help me to change my reservation?
user
Sure, we are here to assist you.
assistant
Thank you.
user
May I know your good name please?
assistant
Sure, Gregory Nelson is my name.
user
Please wait for a while.
assistant
Ok, take your own time.
user
Thanks for your valuable time. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
That's ok, No problem. Thanks for your kind help.
user
Thanks for choosing us.
assistant