HELP can be an extremely valuable concept, and there are many reports of dogs using it and then showing their teacher an obstacle or problem that they were encountering. We believe it pairs well with LOVE YOU, as both are distinct kinds of social requests that match each other in complexity.
Meanings and uses
Among our group of successful modelers, the following techniques were used successfully:
When learner would get a toy stuck we would say "do you need help?" and hit the button, then things like "mom help LEARNER" and hit the button before retrieving her toy.