急.求助写一篇英语memo

急.求助写一篇英语memo
前题：You are the sales manager and had received complaints about the lack of co-operation between the sales executives in your sales team.Write a memo to your sales staff on the importance of the need to co-operate as a team.Clarify in the memo that the lack of teamwork between staff would affect the company's sales quota- invent any other details where necessary.Design a notice for all staff to attend a weekend retreat.The retreat is to encourage better understanding,communication and co-operation among staff is win be pasted on the notice,board for an workers to see..希望带上正确格式..