This quest is not available in game.
Assist Lady Jaina Proudmoore in Orgrimmar. Speak to the Warchief of the Horde, Thrall, at Orgrimmar on the continent of Kalimdor.
At the behest of Lady Proudmoore, I will allow a diplomatic mission to Orgrimmar to question the Horde's Warchief, Thrall. You will assist her in this journey and keep her safe from harm. Return to me with news from Orgrimmar.
Speak to Jaina when you are ready to leave.