Dear sir/madam:

　　[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. I’ll call you [date] to see who from your company would be willing to speak to us. I can assure you that we’ll make everything convenient to the speaker.

　　Sincerely yours,

　　[name]

　　[title]

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