请改正下面的英文句子,

问题描述:

请改正下面的英文句子,
I have sent my holiday request to manager Yi ,now he is in DG ,and if I get my holidays ,I will back company on October .
I believe the department will getting better and better under you leader .I want to be one ,that will be funny my X boss told me :you have to find the happy in the job .

第一句:把on改成in
第二句:getting改成get
第三句:把happy改成happiness