Your message is clear, but you might want to make it a bit more formal and concise. Here’s a revised version:
Subject: Meeting Attendance
Dear [Recipient's Name],
I hope this message finds you well. I wanted to inform you that I was unable to attend the Teams meeting today as I was not able to join.
Additionally, I will not be able to attend tomorrow's meeting due to personal reasons.
Please let me know if there are any important updates or decisions made during these meetings that I should be aware of.
Thank you for your understanding.
Best regards,
[Your Name]
[Your Position]
Feel free to adjust any part to better suit your style or context!