Yikes! Not sailing till next spring, but I was fooling around on my Medallian App, and it looked like I could book my specialty dining (I have Premiere Plus).  It noted that I had two credits (each) for me and my husband.  So, I went to book the Crown Grill, but the $58 dollar charge hit my American Express on file.  It took days and days of calling to try to get it removed, to no avail.  Finally, I had to open a dispute with American Express.  I think they too, tried and tried.  They finally go