I have news for you in Bree. There is a matter of importance that I wish you to address, as I think that you may be able to learn an important lesson.
You received a letter from your trainer in Bree-town asking for you to return to him. Apparently, there is something that he wishes to teach you.
Bring the letter to Flambard Took in Bree
Flambard Took sent you a letter requesting that you visit him in Bree.
Deliver the letter to Flambard Took. He can be found near in Bree.