Scotia Airlines is a new budget airline operating between Glasgow Airport and the Western Isles. It operates two 24-seater light passenger aircraft and requires a flight booking system. Because Scotia offers low cost air travel, there is a need t

为方便旅客，某航空公司拟开发一个机票预定系统。旅客可向该系统查询航班情况（按目的地、起飞时间、航班班次等）。旅行社把预定机票的旅客信息（姓名、性别、工作单位、身份证号码、旅行时间、旅行目的地等）输入该系统，系统为旅客安排航班，打印取票通知和帐单，旅客在收到取票通知和帐单后可交费并于飞机起飞前24小时凭取票通知和交款单经系统校对无误后打印机票给旅客。旅客也可向系统提出退票要求，系统针对具体情况计算手续费后进行相应退票处理。-The convenience of visitors, the deve

diagram model of travel reservation