Dear Admin,
I hope you are in good health condition.
At first, I would like to thank you for your generous job post. I have gone through your job posting on upwork and found out that you are looking for a Graphic Design. You have exactly expressed your need and schedule in your job description. Now, I would like to tell you that I have the requisite skills for this job. I am a Graphic designer as well as a hardworking employee. I have understood your requirements, and I am ready to take an oath to make you satisfied.
Now I would like to tell you about my experience that would help you to pick me up as the right contender for the job. I have been using Microsoft Office and Canva as expert level. I can confidently ascertain you that I have achieved every skill that you have mentioned. I have been proving myself by providing a satisfactory service to my clients. I am delighted that the time schedule you have mentioned is perfectly suitable for me. I can confirm that I am confident to submit my work in time.