<p>Dear [[ user_name ]],</p><p>A user has cancelled their subscription.</p><p>Cancellation Details:</p><ul><li>User: [[ user_name ]]</li><li>Cancellation Date: [[ end_date ]]</li><li>Reason: [[ cancellation_reason ]]</li><li>Previous Plan: [[ subscription_plan ]]</li></ul><p>Please review and consider reaching out to understand their feedback.</p>