Dear <strong>%customer_full_name%</strong>,<br><br>Details of the appointment on <strong>%appointment_date_time%</strong> have changed: <br>
                        <ul>
                            <li>Employee: <strong>%employee_full_name%</strong></li>
                            <li>Location: <strong>%location_name%</strong></li>
                            <li>Extras: <strong>%service_extras%</strong></li>
                        </ul><br>Thank you for choosing our company,<br>
                    <strong>%company_name%</strong>