M&S shoppers can book timed slots to do their food shop as new

Does anyone know what this mean? I thought I might have landed an interview although there is no button for me to book one I read around that

If you want to plan ahead, our Sparks Book & Shop service lets you reserve a shopping slot at the time that suits you

m&s book a shopping slot You can plan ahead with our new Sparks Book & Shop service and reserve a shopping slot

m&s book a slot At the moment, shoppers can book a click and collect slot or a flexi saver delivery slot The supermarket advises people to book a slot and