英语写作检查求高人帮我检查一下以下邮件内容,英文部分.若有错误请帮我修改一下.Hello,DearSir/Madam:Wehavereceivedyourstandoffer,OurstandNo.is15F.Butwewillappreciateyoutoreplace15Qwith13Q.Besides,wem

Question

英语写作 检查
求高人帮我检查一下以下邮件内容,英文部分.若有错误请帮我修改一下.
Hello,Dear Sir/Madam:
We have received your stand offer,Our stand No.is 15F.But we will appreciate you to replace 15Q with 13Q.
Besides,we may have some difficulties paying before March 1st in Euro,So could you please agree an extension of deadlines for payment.Payment will be proceeded as soon as the stand is confirmed.
邮件内容：
我们已经收到展位确认信,我们的展位号是15F.但是我们现在想把15F变更为13Q展位.同时,我们在3月1日之前付款有一些困难,希望可以延迟付款截至日期.在展位确认后,我们会马上付款.
如果你有时间帮我看一下,

Answer 1

So could you please agree an extension of deadlines for payment.
改成
it would be really appreciated if you can agree on an extension of deadlines for payment.
更加礼貌一定
其他的总体不错 ：）