内容1:感谢对本旅行社推出的夏季旅行线路感兴趣
2:请明确参加
旅游的具体人数,时间安排等事宜
3:随信将寄上行程安排及价目单等
Dear client, I'm Mark in the tour company.Firstly thank you very much for taking interest in our summer tour line.Please make sure the detail things including the number of persons taking the tour and the time plan.Besides I'll send you the tour plan and the price sheet with the letter.Please contact me if you have any problem. Thank you ! Best wishes! Mark