Dear [person name],

We are sorry for the inconvenience caused due to our delay in delivering your order. Our team has worked hard to ensure timely delivery in the past, and we apologize for not meeting your expectations this time. Your satisfaction is our priority, and we sincerely apologize again.

We hope you will consider giving us another chance to demonstrate our commitment to your satisfaction. 

Sincerely,
[Company's name]
Dear [person name],

We regret to inform you that due to some delays in shipment, we were unable to deliver your order on time.
Genera una lettera di scuse formale da un'azienda nei confronti di un cliente.