Hello.
user
Hello.
assistant
I am Brian Roberts.
user
 How can I aid you?
assistant
I need to change my existing reservation, my planned to visit has been postponed.
user
 Ok, please wait I will revert you.
assistant
Sure.
user
Sorry, no reservation was found on your name.
assistant
Ok, no issues at all. Thank you for your service.
user
 Thank you for reaching us.
assistant