Hi Ihr Lieben,
Dear Mr. XX,
Please accept our profound apologies for the delay in confirming Mr. XYZ's appointment with you.
Mr. XYZ is currently scheduled to meet you at the [i]'ABC location' [/i:8428f85f62]in [i]'Spin-City' [/i:8428f85f62]at [i]'0'dark thirthy' [/i:8428f85f62]to discuss the [i]'latest under-waterbasket-weaving techniques'[/i:8428f85f62]. He sends his best regards and is very much looking forward to seeing you there.
We will do our best to make up for this glitch and ensure that you continue to receive the excellence and quality in service that you are accustomed to. Thank you for your patience and cooperation.
PS [b]Always [/b:8428f85f62]focus on the [b]positive[/b:8428f85f62] - it's the last thing a customer should remember...!