Hi! You have done this correctly. Advising your CCL rep of the large group, time and seating arrangements. Of course the cruise line can not guarantee seating arrangements, they do their best to honour everyone's request. Once on board the first night at sea is usually a free for all seating arrangements. The 2nd night is when you are going to find out if the seating arrangements have been honoured. If not, go see the Maitre D' and see if he could make a few changes to your seating arrangements. Of course you will need to show your appreciation to him.
Sorry to hear that you are clashing with your CCL rep. Call your rep and reconfirm that he has requested your seating arrangements and that you understand that CCL will do their best to honour your request.
Denise
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