Hello. My name is XXX and I am working at XXX. I found you in an e-mail at my company randomly. To be honest, I do not have many friends on my contact list in MSN, so I would love you to be my friend. Please ignore my invitation and accept my apology if you do not want to.
I am XXX. I work for XXX. It is my priviledge that I saw your name in one of my company's emails. I am sorry to disturb you. I don't have many friends using MSN, therefore, I would like to ask you if you can be my friend. If you are not willing to accept, please disregard my invitation and accept my apology. Please forgive me if I cause you any inconvenience.
** It is my priviledge that 比較客氣. 平輩論交,少些不必要的客套話會更真誠.