Through this email, I would like to inform you that I am residing at _______________ (mention address).
I would like to inform you that I have a vacant accommodation in my flat in __________ (society name with address), it is on sharing basis _________ (3 BHK/ 2 BHK/ area flat) and one of the rooms is vacating on __/__/____ (date) as my roommate is moving out in __________ (month).
It is to request you to kindly reach me at __________ (mention contact number) in case you find anyone interested in accommodating at the said location.
[Digital Signature – if applicable]
____________ (Contact details)