You were invited to attend an [absence][capability] meeting [hearing] on [date] with [name] concerning your absence[s] on [date(s)] by letter dated [date].
Unfortunately, you failed to attend the meeting and to inform me [in advance] that you would not be attending. [Please confirm your reasons for not attending the meeting.] OR [You have now explained that [set out the reasons]]
[Set out the details of re-arranged meeting.] If you are unable to attend [place of meeting] I would be happy to hold the meeting at your home or another location that would be convenient to you. Please confirm these details within seven days.