商务邀请函
Dearsir/madam:
I’mdelightedyouhaveacceptedourinvitationtospeakattheConferencein[city]on[date]。
Asweagreed，you’llbespeakingonthetopic"XX"from[time]to[time]。Therewillbeanadditionalminutesforquestions。
Wouldyoupleasetellmewhatkindofaudio-visualequipmentyou’llneed。Ifyoucouldletmeknowyourspecificrequirementsby[date]，I’llhaveplentyoftimetomakesurethatthehotelprovidesyouwithwhatyouneed。
Thankyouagainforagreeingtospeak。Ilookforwardtohearingfromyou。
Sincerelyyours，
[name]
[title]