Asst.Mgr./Sup. have the selling skill professionally with the well selling plan, for example, the strategy to contact customers when presenting tour package, plan or other services of the company, by selecting the proper contact channel which are best convenient and accessible for the customer. Asst.Mgr./Sup. must have follow-up plan, to pusch sales, to stimulate the process of making decision of the customers, in order to close the sell successfully. Asst. Mgr./Sup. can coach and transfer own selling techniques to own subordinates.