請幫我翻譯以下句子成英文

A fund raising activity will be held on 3rd & 5th November in our Hong Kong Office, to help one of our staff who suffered from leukaemia ( she is in need of $300,000 medical fee ).

「這是有關香港寫字樓會於11月3月及5日舉行的捐款活動，為一名患上白血病的職員籌款（因為她需要30萬元的醫療費）」
"This is relevant Hong Kong to write building would in November March and hold on the 5th of contribute money an activity, raise a style for an employee who suffers from a leukemia"(because she needs 300,000 dollar medical treatment fees)

' this is a contribution activity that will be held in March of November and the 5th about the Hong Kong office building, staff member of leukaemia of suffering from to one person raise money (because she last fee not medical of 300,000 yuan) '

' This is a contribution activity that will be held in March of November and the 5th about the Hong Kong office building, to each it suffer from staff member of leukaemia it raise money (because she last fee not medical of 300,000 yuan ) '