DearXXX,
IamsosorrythatIwaslatetotheclassthismorning.AlthoughitbecausethatImissedthebussothatIhadtowaitanother15minutesforthenextone,Istillneedtotakethefullresponsibilityforit.
Ifyouwouldacceptmyappologize,thatwouldbegreat.IpromissyouthatIwillnotbelatetoanyclassagain.
Yourssincerely
TonyBlair