Ask them to list their Business Tel # to WhatsApp and to expect for a foreigner occupant to have a local telephone. I had to go to the neighbor to call them to open up the door because they did not respond to their door bell
My wife and I stayed here 4 nights. This property, like many in Lourdes is quite old so the stairs are steep, the bed a bit tight and other inconveniences. These were made up for by the friendliness of the host who made breakfast including home made croissants.