...Include the booking form in your pages with the [easyappointments] shortcode. Install and activate the plugin and navigate to Settings, Easy!Appointments menu of the WordPress admin section. Create a new Easy!Appointments installation or connect to an existing one by providing the preferred URL and destination path in the page form. Once a connection is established you'll be able to include the booking form in your pages. WordPress supports the use of custom shortcodes which allow plugins to insert custom content into pages. ...
The Web Appointment Scheduling System (WASS) is a system for scheduling and managing appointments over the Web. WASS includes a comprehensive system for creating/displaying appointment schedules, and an email and iCal appointment notification facility.