You had an appointment with a doctor but missed it. Write a letter to apologize. - apologize for not attending the appointment. - explain the reason for missing it. - request to reschedule the appointment.

Dear Dr. Petrov, I hope this letter finds you well. I am writing to sincerely apologize for missing my appointment on December 21st. It is unfortunate that I planned to meet you at your clinic, but an unexpected event arose, forcing me to change my plans. Due to transportation issues, I was unable to attend […]