以下の配送業者に連絡をしたのですが、返信が無く困っています。
輸送手段が確保できませんので、大変申し訳ございませんがキャンセルを希望します。
As I had contacted with the following courier but I am at a loss because there is no response at all.
I cannot make an arrangement for transportation at the moment, I am afraid that I would like to cancel the order, please.