写一封英文道歉信.内容：昨天因为父亲生病,需要我陪同去医院看病,未能到机场为你送行,非常抱歉100字

dear friends:i'm happy that you are read this letter now,it shows that you are arriving safely.well,i want say something to you.I ought to see you off in the airport yesterday.unfortunately,i went to ...