How are no-shows handled?
If you accept bookings only with upfront pre-payment, it is the customer’s responsibility to bring the cargo on time (or to have the cargo available for warehouse loading, if you offer door-door services). If the cargo is not there in time, the customer needs to re-book (and re-pay) for the transport service. You can consider offering a discounted price for non-guaranteed space, so you can fill no-show space with paying cargo.