I'm sorry for any trouble caused by the unforeseen circumstances. Sorry for the inconvenience this may have brought about. Please accept my deepest apologies for any inconvenience you may have experienced. Unfortunately, we can't to fulfill your request currently. Sorry for any disappointment this may bring. Apologies for any trouble you may have encountered. I'm sorry if there was any misunderstanding in communication. Please pardon me for any actions have brought about disruption. I get it that this may be frustrating. Sorry for any frustration you might have elicited. Rest assured that we are doing our best to resolve the matter as quickly as possible. I sincerely
apologize for any inconvenience you might have faced because of this circumstance.