Dear Kanchan,
You may just simply put it as as follows:
Dear All,
You are hereby reminded that the (insert name of function) is scheduled to take place from
to
.. at
...
Your presence is highly appreciated. OR
As earlier communicated, management has organized (insert name of function) commencing on
. to
. at
.
The purpose of this communication therefore is to remind you to attend the function.
Your usual cooperation is highly appreciated. OR
Dear All,
This is to remind you of the (insert name of function) scheduled for
. starting at
...
Thank you for the usual cooperation" OR
If you want to create some bit of excitement depending on your position in the organisaiton you may consider something below:
"Dear Colleagues,
We are remaining with
days to the (insert name of function) scheduled to take place from
to
.. at
.
This (insert name of function) has been organized by
and the purpose is
...
This is a must attend function which you should not miss."
Hope this can help.
Kind regards,
Mary Gorreth-Kampala