用ASP.NET开发航班查询的系统，用户输入出发城市、到达城市、和起止日期，能查询出这段时间内从出发城市到到达城市的所有航班，每个航班有什么仓位以及各个仓位的价格和剩余票数等信息。-Developed with ASP.NET flight inquiry system, users enter the departure city and arrival cities, and start and end dates, to check out this time from the start