Subject: [Meeting cancellation scheduled on ————-(date & time)]
Dear Mr. / Ms. ………….
I’m feeling regret/afraid to say that I will not be able to make it to our meeting on (Date & Time) as [Reason: I have previously arranged to meet with our customer, Mr. —————–, at that time]. Since I don’t wish to disrupt your schedules, I suggest that you meet without me. [state what you will do instead, ex. I’ll have my secretary forward the ——— file to your office and I’ll speak with you on ——–(day & time) to find out your conclusions regarding our decision to terminate the account.
I’m sorry for any inconvenience this may have caused.
Sincerely
(Name & Signature)