客户订票时所需要录入的信息有出发地和目的地，出发的日期时间。按客户的年龄来购买所需要的票种，根据价格和安全性来选择乘坐哪一家航空公司和航班。以防客户忘记自己所购买的航班信息，可以随时查询客户自己已经购买的航班信息。若客户暂时不想购买，可退出系统。-When customers booking required entry information has departure and destination, departure date and time. The age of the customer to buy the required ticket types, based on price and security to choose which one to take the airline and flight. Prevent customers forget their purchased flight information, you can always check the customer that they have to buy flight information. If customers prefer not to buy, you can exit the system.