Make this shorter less formal "Dear [Recipient's Name], I hope this message finds you well. I am writing to inform you that due to an unforeseen scheduling conflict, I am unable to attend our meeting scheduled for this week. I sincerely apologize for any inconvenience this may cause and appreciate your understanding. I am currently looking at my calendar to find a suitable time to reschedule our meeting. Once I have identified a few potential dates and times, I will reach out to you to confirm a new meeting time that works best for both of us. Thank you for your patience and understanding. I look forward to our rescheduled meeting. Best regards, [Your Name]