1. Centralized System: Use a centralized system to manage all your appointments. This ensures that all information is in one place, making it easy to access and update.

2. Real-Time Updates: Implement a system that offers real-time updates. This allows you and your clients to see available slots immediately and make changes on the go.

3. Automated Notifications: Set up automated notifications for confirmations, reminders, and updates about rescheduling or cancellations. This reduces no-shows and keeps everyone informed.

4. Easy Rescheduling and Cancellation: Make the process of rescheduling and cancellation as easy as possible for your clients. An intuitive online portal where clients can make changes themselves saves time and reduces misunderstandings.

5. Clear Policies: Establish clear policies regarding rescheduling and cancellations. Communicate these policies to your clients upfront to manage expectations and minimize last-minute changes.