GM staff only do quest completions now if they have directive from development, as issues have arisen in the past, requiring more work to fix what might have been otherwise a simple issue, turning it into a major problem.
It might be a quest comment might help, where as GM staff do not usually provide direct in game hints, and do not fix in game bugs. Have you checked out
By Baltsaros (13,404 – 2·23·86) 29 days ago (Patch 11.0.2)
If you have started the ‘To Arathi’s End’ quest chain, you will have to finish it in order to be able to turn in the ‘Rations and revelations’.
Just to add, this might help understand what a GM does for future reference, so there is less confusion about what a GM can and can not help with.