I'm sorry for any trouble caused by the unexpected circumstances. My apologies for the inconvenience this may have caused. Kindly accept my deepest apologies for any disruption you might have encountered. Regrettably, we are unable to meet your requirements currently. Sorry for any letdown this may bring. Apologies for any inconvenience you may have arisen. I apologize if there were any confusion in sharing information. Kindly pardon me if my actions have caused any inconvenience. I get it that this may be annoying. Apologies for any
inconvenience you might have elicited. Rest assured that we are working to resolve the matter as quickly as possible. I'm truly sorry for any inconvenience you might have faced because of this situation.