who-name, company
why-issue (job vacacy, interveiw)
what-details (time, location)
Role Playing: e.g. manager-Our company is always ... I am calling you to make sure...
Please do make a call back if you hear this message respecially for you. See you then.
Your health is our forever concern. Thanks very much.
Hello,____. This is ____, (position). I am calling you to inform you of the_______.