Hello.
user
Hello, how can I be of your service?
assistant
My exams has been postponed I want to change my existing reservation.
user
Sure, may I know your good name please?
assistant
My name is John Clark.
user
Ok, please wait for a while.
assistant
Ok.
user
Thanks for being wait. Unfortunately there is no reservation found against your name.
assistant
Not a problem, thank you.
user