Sometimes the employers are looking for qualities like a good work record and willingness to learn more than a specific skill set. That is, good recommendations from former employers showing that you are punctual, dependable, efficient, team worker and trustworthy. You should tell them that you are willing to learn their way of doing things. (Most cleaning services have their own specific methods and products that they prefer using anyway.) Present yourself in a professional, enthusiastic, tidy manner. Before the interview, learn as much as you can about the company and the clients they serve.
