跪求10分钟商务英语对话

John Davidson: Is Mr Zhang Yi in?Zhang Yi: Speaking ,pls.Johin Davidson:Hello,this is John from England. I am calling to ask about cotton .Pls give us your best quotation.Zhang Yi: Thanks for your inquiry.Our best price is $2.5 per kilogram.Johin Davidson: The price is too high. The quotation we received from other sources are much lower.Zhang Yi: Then how about your quantity? If you can place big order ,we can give you some discount.Johin Davidson:I understand.We need about 10 ton.Zhang Yi: Now we can offer you $2.3 per kilogram FOB qingdao by sea.This is our lowest price.Johin Davidson:How long is the offer?Zhang Yi: It's good for a week.Johin Davidson: Good.But when will you deliver the goods?Zhang Yi: We have goods in stock.Once you confirm the order ,we will ship promptly.Johin Davidson: Ok ,but we need to check again with our headquater.If there is no problem ,we will send you the email about the details.Zhang Yi: We look forward to cooperating with you.Call me or email me anytime ,if you still have problems .Johin Davidson: Ok ,thank you .Bye-bye.