Time slots are not available

[Munchies4U]

We’ve enabled time slots, however the form booking_make displays No results found

Steps to reproduce

Listing has attributes added.
Booking Available From set to 17:00
Booking Available To set to 21:00
Purchase Slot Duration set to 30

Actual result

When clicking on the Time attribute in the form booking_make we get “No results found” message

Expected result

The time slots available for booking

Extra details

[ihor]

Please select the Date first (in the date picker above the time slots drop-down), then if this listing has the Booking From/To + Slot Duration details set, a list of time slots should be generated.