By the way, you should also correct the sentences in your e-mail like this:
I apologize to you for sending late. The reason of the delay is because Dr. Nunthawath wanted the training of abstract writing to me. I was advised to write by Dr. Nunthawath. I truly appreciate your kindness. So, this is the abstract for submitting to ISOPE-2015 at Kona in the biggest island “Hawaii”.