Dear [Name of Hiring Manager],
I am writing in regards to the email and chat support position that is currently available with CS Everywhere. I saw this job listing on [website] and feel that my skills and background perfectly match the requirements for this role.
As someone who has worked in customer service for more than [number] years, I have a wealth of experience dealing with different types of customers and resolving a variety of issues. In addition, I have excellent written and verbal communication skills, which I believe would make me a perfect fit for this position.
I am confident that I would be a valuable asset to CS Everywhere and would be able to provide excellent customer service to your clients. I would welcome the opportunity to discuss my qualifications and experience with you further and look forward to hearing from you soon.
Sincerely,
[Your name]