请款英语怎么翻译

㈠ 帮忙翻译成英文邮件 XX 有一个比较急的 水费单字没有签字,现在想先请款 等您回来在补签 希望得到您的批复

Dear XX,
We noticed that there is an urgent water bill without a signature. To reimburse, we need a signature of yours; We are urgently needing the signature, so please come and sign the bill ASAP; We hope to get your reply soon.

Sincerely/Best Regards,
Your Name

㈡ 空运费先垫付，后向客户请款英语怎么说

翻译
中文：空运费先垫付，后向客户请款
英文：Air freight prepaid, to the customer request