Thanks for all the responses! A credit back to my CC or a rebate would be great so I will ask about that.
I am wondering if the Galapagos sailings work differently than other Celebrity sailings since I have never received anything back - but I manage it spend it on board
Transfers, air to Baltra, gratuities and 2 excursions per day are included in the fare so unless I get the OBC back it isn't going to be of much use even though all the agents are offering various amounts.....