[Translation from Japanese to English ] It is very unfortunate that there are only 3 items left. I will be purchasin...

Original text

今回在庫が３つしかないということですがとても残念に思います。

旧モデル３点の注文で、差額分は返金でお願いします。

親切な提案ありがとうございます。

注文品の発送よろしくお願いします。

Translation / English

It is very unfortunate that there are only 3 items left.
I will be purchasing 3 old models. Please refund the difference.
Thank you for suggesting an alternative idea.
Please take care of the delivery, thank you.

Translation / English

I am sorry to hear that there are only three stocks available.

I would like to order three old models instead and please refunded the difference.

Thank you for your kind advice.

Please dispatch the ordered goods.

Translation / English

That's pity there are only 3 stocks. I would like to order 3 of the old model, so please refund the difference. Thanks you for the kind offer, please dispatch the articles made to order.

Translation / English

I regret that you only have three pieces in stock.
I'd like to order three of the old models, and please refund the difference.
Thank you for your kind proposal.
I'm looking forward to your delivery.