I talked to him on Saturday, went like this: "Hey I just got this exotic helmet engram from Xur, mind turning it into a Helm of Inmost Light for my Titan?" "Sure thing! One moment... there you are. Enjoying The Last Word I gave you a few days ago?" "Yea I am, thanks alot. Have a nice day." Seriously though, I bought an exotic engram and was hoping to get that specific helmet, and I got it. Apparently my hunter and the Cryptarch are pretty good friends, probably because im rank 24 with him.