Visa cancel

hi,
i just entered in to dubai with employment visa, medical complete, I didnot sign contract. but not stamped visa in passport..before that i need to cancel the visa. i complained to labour they given time for meeting, my employer refused to come, and extending the date, validity of this visa is only 15 days remaining, after that who will get the fine??? to employer or me?? when i can go back to my country. how many times they can extend date like this….???