Send a message to the boss according to the contract

The method is as follows:

According to the terms of the contract, we should deliver the goods or provide services within 30 days after signing the contract. However, due to some external factors beyond our control, we failed to finish it on time. We are deeply sorry and are doing our best to solve the problem as soon as possible.

I attach great importance to the reputation of our company and our cooperative relationship with you. Please believe that we will do our best to solve this problem and ensure that similar situations will not happen again. If you have any questions or need further consultation, I am always available to help you.