[organization] would very much like to have someone from your company speak at our conference on [topic].
As you may be aware, the mission of our association is to promote . Many of our members are interested in the achievements your company has made in .
Enclosed is our preliminary schedule for the conference which will be reviewed in weeks. Ill call you [date] to see who from your company would be willing to speak to us. I can assure you that well make everything convenient to the speaker.
On [date], we will host an evening of celebration in honor of the retirement of [name], President of [company]. You are cordially invited to attend the celebration at [hotel], [location], on [date] from to p.m.
[name] has been the President of [company] since [year]. During this period, [company] expanded its business from to . Now its our opportunity to thank him for his years of exemplary leadership and wish him well for a happy retirement. Please join us to say Good-bye to [name].
See you on [date].