Background A client named John Smith from Australia will leave Cook Company in Xiaoshan . Task Description The manager of Cook Company, Zhang Jian asks Sun Liang to see off Mr. Smith at Hangzhou International Airport. Suppose A is Zhang Jian , B is Sun Liang, and C is Mr. Smith. Discuss in groups the following questions: How will you see your client off, Mr. Smith? What should be taken into consideration when seeing your client off? How will you start and continue your conversation with your client successfully? Task Requirements The conversation should last at least 3 minutes. The following items should be included: 1. seeing your client off at the airport; 2. wishing him a safe journey.