老外的信,求帮看看什么意思?

根据这封信的内容，该位顾客表达了他们有兴趣购买一些红色和黑色的头发。他们计划用这些头发制作希腊头饰，并希望得到关于需要的数量和成本的建议。

建议回复如下：
Dear customer,

Thank you for your inquiry. We are pleased to assist you with your interest in purchasing red and black hair for making Greek hair crests.

To determine the quantity and cost, we would need more specific information. Could you please provide us with the following details:
1. The dimensions or size of the Greek hair crests you are planning to create.
2. The length and thickness of hair strands required for each crest.
3. The total number of crests you wish to produce.

Once we have these details, we can offer you a more accurate estimation of the quantity needed and the cost involved. Please feel free to provide us with any additional information or questions you may have.

We look forward to hearing from you soon.

Best regards,
[Your Name]