版本一:“Hi,I have bought this item at the price of $**, but now the newest price is $**,I have not receive the item yet , I wonder if could have a price match and refund ,thanks a lot”
版本二:Hello, I was very happy when I buy things from amazon, but to my surprise your price changed so quickly. My order number is __( 订单号)__. My purchase price is _(购买时的 价格)_. Today, the price changed to _(现在 的价格)_. So I just wanna get a price protection.Thank you.