Dear sir/madam：
I’m delighted You have accepted our invitation to speak at the Conference in on 。
As we agreed，You’ll be speaking on the topic from to 。 There will be an additional minutes for questions。
Would you please tell me what kind of audio—visual equipment you’ll need。 If You could let me know Your specific requirements by ，I’ll have plenty of time to make sure that the hotel provides You with what You need。
Thank You again for agreeing to speak。 I look forward to hearing from You。
Sincerely Yours，
因篇幅问题不能全部显示，请点此查看更多更全内容