Booking rules had grown one at a time. They have been rebuilt as one engine, so they interact predictably instead of surprising you.
One Engine, Consistent Answers
Capacity, minimum orders, blocked periods, time slots and zone validation are resolved together, so a slot offered is a slot you can service.
Block Dates and Customers
Specific dates can be closed off, and a customer can be blocked from booking, which every business eventually needs.
Addresses Validated Up Front
An address is validated against your zones before a booking is accepted, rather than after a driver has been assigned.