["Of course", she says... Could it be? A responsible person? *__* Normally he'd protest that it's unseemly for staff not to handle all the workload themselves. And/or be sceptical of an amateur's cleaning skills. But she speaks with such assurance that he just. clearly she knows what she's doing.]
Of course it's on the cleaning staff to take care of matters in such a discreet way as to make it seem like a room has indeed been cleaned magically... [but there's so much hard work involved in accomplishing that, including sometimes working hours into the night after everyone else has left. to think that she understand this...!! He nods.]
I don't doubt that we shall be able to efficiently clear this space up.