<p><strong>Dear {appointment_user_name},</strong></p>
                    <p>Your appointment id is <br> Appointment Id: {appointment_unique_id} <br> and email is <br> Appointment Email: {appointment_user_email}.</p>
                    <p>Feel free to reach out if you have any questions.</p>
                    <p>Thank you</p>
                    <p><strong>Regards,</strong></p>
                    <p><strong>HR Department,</strong></p>
                    <p><strong>{app_name}</strong></p>