I apologize for any trouble caused by the unexpected circumstances. My apologies for the inconvenience this may have brought about. Kindly accept my deepest apologies for any disruption you might have encountered. Unfortunately, we can't to meet your requirements at this time. Apologies for any letdown this may bring. Apologies for any trouble you may have arisen. I apologize if there was any confusion in sharing information. Kindly pardon me if my actions have caused disruption. I understand that this must be frustrating. Sorry for any inconvenience you might have elicited. Please be assured that we are doing our best to resolve the issue as quickly as possible. I'm truly sorry for any inconvenience you might have faced because of this circumstance.