change to direct speech
Direct speech is the method of writing where you say exactly what someone else said. For this sentence, you could change it to something like the following:
The chairmen expressed, โI hope that all those present at the meeting had a pleasant and profitable evening.โ
For most types of sentences, you just need to put into quotes the actual words that the person said. You might have to do some rearranging of the other words in the sentence or change the verb tenses to show that someone has spoken.
Other Ways to Say โAs Mentioned Previouslyโ
In your interaction with others, you affirm (agree) or negate (disagree โฆ