Youareorganizingabusinessmeeting，andyoushouldwritetopeoplefromothercompaniesandtellthemthechangesofthemeeting(time，location，etc.)。Youwill(1)explainwhyyouhavetomakechanges，(2)tellthemthechanges，and(3)apologizeforthechanges.
DearMr.Smith，
Iamwritingtoinformyouaboutthechangeswehavemadetothehigh-levelmeetingbetweenourtwocompanies.
Mr.Anderson，projectmanagerof“SunshineCooperationCampaign”，hasbeenillrecentlyandiscurrentlyinhospitalfortreatment.Heisrecoveringwellbutwon'tbeabletocomebacktoworkuntil2weekslater.Asheisthedesignerandcoordinatorofthis“sunshinecampaign”，wefeelthemeetingcouldnotbeheldwithouthim.
Therefore，wearereschedulingthemeetingtobeheldonemonthlater，on9o'clock，Sunday，15July.AlsotheplaceofthemeetinghasbeenchangedfromHiltonHoteltotheVIPmeetingroomattheheadquartersofourcompany，No.100，OxfordStreet.WealsomightinviteseniormanagersfromGreenwellCompanytoattendthemeetingastheyhavealwaysbeenanactivesupporterofthiscampaign.
Wearesorryforanyinconveniencethatthechangeofthemeetingmighthavecausedyou.Ifyouhaveanyquestions，pleasedonothesitatetocontactme.
Lookingforwardtoseeingyousoon!
Yourssincerely，
EdwardSimpson