Why do I have to book into a time slot?

Let us create this product that will book appointments for visiting the doctor The first step will be creating a product from the Products ->

Is this possible in Microsoft Bookings? If yes, how ? I only see the option to define that they can book every slot which is free in my calendar

book of ra slot deluxe Appointment Book With Time Slots: Salon Appointment Book Daily And Hourly : : Books

book of sirens slot Choose your preferred time slot for appointments with this user-friendly booking screen Easily book your slot and manage your schedule