求翻译：你好，我叫李华。我是在2010年6月3日搭乘本公司的航空的乘客，航班是BA793.我在回国后我 发现我的行李箱遗失了，是个黑色和灰色相间的滑动箱，轮子是白色的，，这个行李箱对我非常重要，我的全部财产在里面，其重要的是我本次出国与外国签的重要合约还在里面。那份合约关乎这本公司的兴亡，请本公司务必尽力帮我找到，，那真的哼重要，是什么意思？

Hello, my name is Li hua. I is in on June 3, 2010 aboard this company of Aviation of passengers, flights is BA793. I in home Hou I found I of baggage box lost has, is a black and grey alternated of sliding box, wheels is white of,, this baggage box on I very important, I of all property in inside, its important of is I this times abroad and foreign check of important contract also in inside. The contract relates to the company's rise and fall, please be sure to try our best to help our company I found, that really hum important,