Write a memo according to the following situation:

Situation:There will be an international Trade Conference held in Qingdao fromMay 24 to May 28,sponsored by the Trade Department of Shandong ProvincialGovernment.

Besides representatives from all provinces of our country, manyforeigners, especially from North America and Europe, will attend theconference.And Green Sun Company is invited to attend it,too.Thinking theconference will give the company a very good opportunity to assess the

currentcommercial situation and to make contacts in commercial circles both at homeand abroad, Mr.Calvin Wilson,Vice President of Green Sun Company wants toattend the conference. He writes a formal request memo to William Xu,Presidentof the company to get his permission.