The dream is so clear and apperant: You don’t want a wedding but your subconscious does! The subconscious include many weird things even we’ll never think about it. But you should consider that the dreams are always using the symbols which belong to your life. Perhaps all those wedding staff could be related fully different things based on your daily thoughts. You’d better not to forget your dream, wait and see. Who knows maybe you’ll find yourself in a church in a wedding 😀