FAT Service Booking is a WordPress plugin that provide you an automated booking and online scheduling of your services. It scans calendars for availability and extract free times. You control how customers can book the open time slots. FAT Service is made for large teams with easy control to your service, customer, calendar and your staff. You can track the appointments in calendar view. It provider monthly, weekly, daily and timeline view type for calendar, and can be filtered by employee, location, service or service category.

Demo: https://codecanyon.net/item/fat-services-booking-automated-booking-and-online-scheduling/24214247