Unexplained Cabin Change

[pe4all]

As you booked your cabins literally over 20 months ago, and Carnival just changed your cabins with less than a month to sailing, I would definitely get on your  TA's back to work their way up the Carnival chain of command to get an answer.  It is a pain having to switch cabins.  My thoughts - someone "more important than you" (Carnival employee family member, etc.) wanted your cabin for the 7 day, and you were bumped.  Some sort of obc should be given for your inconvenience.    As far as getting bumped to YTD - we always had early dining.  Our last 4 cruises we took YTD, and loved it!!  You can still get the same wait staff/table if you like.  Good luck, and whatever happens, enjoy your back-to-backs.