The most important thing is that you enjoy the day and just be yourself!
Secondly, you can ensure good lighting. One of the most important things for a photographer, is light. The amount of light available in a room often determines the outcome of the photos. If you like natural photos then for your bridal prep images I suggest you book a spacious guest house/hotel room with lots of natural light, white walls are always preferred!
For your reception, please ensure that you don’t only have candle light, but also some other form of lighting. The more light, the better the photos your turn out. Uplighters are great for dancing shots!