Dear Hiring Manager,
I would like to apply for this position, as I have 12 plus years of experience in customer support plus cold calling, I will be more than happy to use my experience in order to give the best support and providing leads for your company. I have worked with wipro, IBM,Dell,Amgen and HP and have been working as a freelancer past 2012. Let me know if I can be of any help for your project.
Thanks
Kash