This is my first Princess cruise. 14 Celebrity cruises so far. We have prepaid Princess Premier package which includes 2 speciality dinners. I can only make reservations if pay by credit card on file. They told me I have to go to guest services to be reimbursed when onboard. Seems they aren’t managing this well. This is after so many miscommunications I have had with app issues. The app constantly would say that to make dining reservations the booking has to be paid in full. It had been paid in full months ago. I was told I could only make reservations 30 days prior to embarking, reinstall the app (which I did and did not correct this issue). I have been promised calls back that never happened. Finally managed to make dining reservations via web version. Gee I thought I had issues with Celebrity but at least I can email to get issues sorted and I can apply OBC to make specialty dining reservations. No one at Princess has the ability to make any reservations via back end. I hope onboard experience is better than my service on land so far!