Dear Hiring Manager,
Today I have found this job post in Freelancer, and I'm very interested in your job post involving these skills. I have good experience in the relevant field. I can complete this job within the required time period.
"Moving forward, I can dedicate 42 hours/week for your job. I'm very excited to offer my services for your job. Please feel free to contact me directly to discuss this position further."
I am mostly online on yahoo messenger and skype & Yahoo messenger. We can discuss there in details in a quick way, if you are interested.
Regards,
Zakir