Online Tutorial of Appointment Booking for Application at Counter for the HZMB Macao Port Park-and-Ride There are four major steps to change or cancel an appointment record. If you wish to know the details, please click the links below. Step 1 Retrieve Appointment Record Step 2 Change or Cancel Appointment Step 3 Submit Information Step 4 Request Appointment Booking Confirmation Step 1 | 2 | 3 | 4