Naughty dog!

We are having a few training issues with Aslan. He is a force to be reckoned with. He wants to play with every dog he meets and won't take no for an answer! He thinks that barking loudly and repeatedly will persuade the other dog. Other dog owners sometimes get the wrong idea. Today he was really naughty. Ran away from me to play with a spaniel who's owner didn't like it. Did his usual barking and bothering and the other owner kicked him!!! She kicked my dog! Don't get me wrong. My dog was naughty. VERY naughty as he was totally ignoring ALL my commands! The spaniel was far too compelling. It may well be back to being on a long lead for Aslan until he can be trusted.....