Meeedly
Time Slot. There is no time slots available ... Your appointment booking summary. Customer. {{appointment_step_form_data.form_fields.customer_name }}.
Appointment Booking Calendar Plugin — WordPress.com
You can define the appointment booking capacity for each time-slot.
Website Booking in odoo, Website Appointment Booking in odoo, ...
Just WordPress isn't enough anymore. WordPress time slot booking – that's what you need.