Do you want to practice conversation in Korean for Korean learners here? But my Korean ability is low, but will the workers speak in Korean?

I can speak Korean well, but I can't speak English.

I don't think so. They r always busy working so I recommend u get a private Korean tutor or study using YouTube.

Maybe they would rather consider you as an american. It might seem that they, korean employees would love you to be an english teacher to them.