I apologize for the inconvenience caused by the unexpected circumstances. Sorry for the disruption this may have caused. Kindly accept my deepest apologies for any disruption you might have encountered. Unfortunately, we are unable to meet your requirements currently. Sorry for any disappointment this may bring. Sorry for any inconvenience that may have arisen. I'm sorry if there was any misunderstanding in communication. Kindly pardon me if my actions have brought about any inconvenience. I get it that this must be annoying. Apologies for any inconvenience this may have caused. Rest assured that we are working to resolve the matter as promptly as possible. I'm truly sorry for any inconvenience you might have faced due to this circumstance.