Hello. I am Carolyn Phillips.
user
Hello, how may I help you today?
assistant
I need to alter my reservation, as my seminar in my college has been postponed to some other date. Please help me in changing?
user
Sure. Please wait for a while.
assistant
Ok.
user
Sorry, there is no reservation found on your given name.
assistant
Ok, no worries. Thanks for your help.
user
Thanks for choosing us.
assistant