Answer:
California, June 5, 2020.
California State University.
Department of economics and business.
Dear Mr. Johnson,
I am honored to invite you to participate in the Second State Conference on Business Communication promoted by the State University of California. On that occasion, I would like to hear from you about your experiences as director of public relations at the opening of our conference that will take place next week on June 12, 2020, at 4:00 pm.
We look forward to your presence.
Have a nice day.
Charles Philip Bree.
President of the California State University Business Society.
Explanation:
The letter above was written using cultured language and correct grammar when inviting a speaker to the university event.
All words were written in order to achieve the request made in the question above.