native english teacher looking for lunch hour classes

I am a TEFL certified teacher working in Madrid. I am currently looking to fill the lunch block, for example 13:00-16:00 Mondays-Thursdays. I've taught levels A2-C1 for:

* Test Preparation: TOELF, TOEIC, BEC

* Kids & Teens

* Business English in the fields of Marketing, Telecommunications, and Semiconductor Production