英语翻译在ebay上买了一个东西,但是卖家没发货= =准备跟卖家沟通,但是英语能力实在有限- -麻烦大神们提供下常用的交

Dear (+对方姓名),
Have you sent out (+商品英文名称) to me yet?
The PO is (+订单号).
If you already sent, can you let me know its express tracking number?
I appreciate your support very much.
Regards,