Mine

Alias Away {
  if (%away == $null) { 
    Away $1-
    set %reason $$?="Why Are You Going?"
    /ame is now away for: %Reason 
    //set %duration 0
    /inc -c %duration
    /set %away yes
    /window -w @Away
    //echo @away This window wil show people who have tried to speak with you while you were away.
    /set %nick $me
    /nick {Matt}|away
    halt
  }
  if (%away != $null) {
    Away
    /ame is now back from: %reason  Gone For: $duration(%duration)
    /unset %reason
    /unset %duration
    /unset %away
    /nick %nick
    /unset %people
    halt
  }
}
on *:text:*:*: {
  if (%away == yes) && ($me isin $1- ) {
    //notice $nick Sorry $nick I am currently away for: %reason I have been gone for $duration(%duration)
    //echo @away $asctime([HH:nn:ss]) < $+ $nick $+ > $1-
  }
}