(your street
city, state, zip)
(date)

(name
street
city, state, zip)

Dear _______________:

There is absolutely no excuse for my not meeting with you for ______________________ or at least not getting word for you. The appointment was written on my calendar but somehow I thought our meeting was for next _____________.

Please forgive me. I am eager to talk to you and will call on _________ to see if we can arrange a meeting before you leave town. I will not let you down this time.

Respectfully,