Hello.
user
Hello. How can I assist you?
assistant
I made  a earlier reservation to attend a seminar, due to security issues it got postponed. Can you please change my reservation?
user
Sure, can I know your name please?
assistant
Sure, this is Edward Turner.
user
Sorry, there is no reservation found on your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for approaching us.
assistant