国际贸易实务英语案例An export company was prepared to export a batch o

国际贸易实务英语案例An export company was prepared to export a batch of tea sets on FOB terms.The buyer asked the company to book the ship on behalf of it,but the changes would be borne by the buyer.As the export company could not book the suitable ship in the stipulated time and the buyer did not agree to replace the transaction conditions,the delivery was delayed.The buyer wanted to withdraw the contract based on the above reason.Is buyer's request reasonable?回答也要英语，能在翻译一下不？