…Dreaming of a convention, denotes unusual activity in business affairs and final engagement in love. An inharmonious or displeasing convention brings you disappointment….
Dream dictionary: Convention dream meanings
To dream of attending the convention, denotes to the lack of interaction and contact with other people. Consider that the decisions you are making always makes the influence on the other people. Make sure you include those people in your life and decisions you make. The dream could be interpreted much better if you remembered what kind of convention you attended to.