Back to Back Carnival Valor in December! We have never booked 14 days before, I hope I don't get sick of it.
I am sure this far out, you have the same cabin for both legs. If not definitely call Carnival or your TA.
One of the best parts of a B2B is watching everyone lugging their carryons with sad faces, while you have another cruise ahead of you.
O F C'er
Experiences over the years enabled me to have all the answers, but not necessarily corresponding with your questions.