What will happen if I cancel my appointment? The appointment slot will be freed for booking if you cancel your appointment. You may book another appointment again Related articles Why are the dates not available for my selection? My child is in primary /secondary school. Why can’t I book appointment at Student Dental Centre? Why can’t I make two appointments for my child? Why can’t I reschedule my child’s appointment? What is a prescription record? Where does HealthHub get my prescription records from?