You recently have completed a course in a training centre in Canada, your friend also wants to do the same course. Write a letter to him stating. In your letter - what you did during the course - why you recommend this course - what the possible benefits of this course are.

Dear Riyaz, I hope you are great and enjoying your vacation in Simla, I’m glad to hear that you’ve completed your high schooling and wanna come to Canada for a college education. I read your letter, you show interest in the Diploma in Chemical Engineering Course offered in SAIT at Calgary, which I completed recently. […]