I apologize for the inconvenience caused by the unexpected circumstances. Sorry for the inconvenience this may have caused. Kindly accept my sincere apologies for any disruption you might have encountered. Regrettably, we can't to meet your requirements at this time. Sorry for any letdown this
may cause. Apologies for any inconvenience that may have arisen. I apologize if there was any misunderstanding in sharing information. Please forgive me if my actions have brought about disruption. I get it that this may be frustrating. Apologies
for any inconvenience this may have elicited. Please be assured that we are doing our best to resolve the matter as promptly as possible. I sincerely apologize for any inconvenience you may have faced due to this circumstance.