services of Rain to be cancelled

i have asked Rain to cancel my subscription long ago, till today is not done they charge me for months i didnt have wifi i contacted them . they promised to contact me from accounts still now im waiting i also asked them to down grade because i cant afford what they charge me monthly due to unemplyment. im still waiting for that to happen months are going they stii charge me what i told them i cant afford i dont know who to talk to. i tried to send messages to their support no one is calling me back maybe you can help me