How to create demo like apollo hospital demo
First you need to set the inventory with quantity one and pricing as per your needs. Then you will need to attach the inventory to the product.
Then from the back end of the woocommerce settings >rnb settings> display,
you will need to display only pick up date and pick up time and keep drop off date and time disabled.
Finally on the allowed time you need to set the appointment times like 18:00, 18:30 and so on for the 24 hour format.
Hope this helps you out. If you still face issue please let us know.