航位信息的输入和修改，客机信息的输入、修改和查询，航线信息的输入修改查询，客户等级信息的输入修改，客户信息的输入修改和查询，订票信息的输入修改查询-Aircraft position information input and modification, passenger information, input, modify and query, route information, enter the revised query, the customer information input