I'm sorry for the inconvenience caused by the unexpected circumstances. Sorry for any inconvenience this may have caused. Please accept my sincere apologies for any inconvenience you might have encountered. Unfortunately, we can't to fulfill your request currently. Apologies for any letdown this may bring. Apologies for any inconvenience that may have encountered. I apologize if there were any misunderstanding in sharing information. Please forgive me if my actions have caused any inconvenience. I understand that this must be frustrating. Sorry for any frustration you might have elicited. Rest assured that we are working to solve the issue as quickly as possible. I sincerely apologize for any disruption you may have faced because of this circumstance.