Greeting of the day!
I would like to inform you that I am writing this email in reference to the recent request I have made on __/__/____ (date) regarding the ___________ (mention purpose).
This is to bring into your kind consideration that I have not received any response from your end in this regard.
It is to request you to kindly look into the matter and respond, as I am awaiting your reply in this regard. For any query, you may contact me at _____________ (mention your contact details). I shall be served with your response.
__________ (your name),
__________ (your contact details)