请用英语翻译下面的对话？谢谢

我想寄一封信/一个包裹到美国/加拿大/瑞士/瑞典/芬兰/荷兰/尼日利亚/肯尼亚/新加坡/，运费多少钱。您打算怎莫寄？空运/海运，空运，多长时间能到？大概一星期到,称一下您的包裹，它的重量是1.5千克。每千克10元，一共15元，给你20元。这是你的零钱，谢谢，不客气！再见

I want to send a letter/package to America/Canada/Switzerland/Sweden/Finland/Holland/Nigeria/Kenya/Singapore, how much does it cost?
How do you want to post? By air/sea,
How long does it take by air?
About a week,
Weigh your package, its weight is 1.5kg. Every kilogram costs 10 dollars, it's 15 dollars in total.
Here's 20 dollars.
This is your change.
Thanks
Never mind!
Goodbye.

I would like to send a envelop/parcel to the Unite State/Canada/Switzerland/Sweden/Finland/Netherlands/Nigeria/Kenya/Singapore.How much the freight?
How do you intend to send it?By air/sea
By air,and how long will it arrive?
About a week.Weigh you parcel.Its weight is 1.5kg.Each kilogram is 10RMB,15RMB in total.
20 yuan please.
This is you change.
Thank you .
You&#