I'm sorry for the inconvenience caused by the unforeseen circumstances. My apologies for the disruption this may have caused. Please accept my deepest apologies for any inconvenience 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 inconvenience that may have arisen. I'm sorry if there were any misunderstanding in sharing information. Kindly pardon me for any actions have caused disruption. I understand that this must be annoying. Sorry for any frustration you might have caused. Rest assured that we are doing our best to resolve the matter as promptly as possible. I'm truly sorry for any inconvenience you may have faced because of this situation.