Because i am a hard working person and what ever jobs you 
give me i can do it.

iam here for what u r looking for.iam very clear tat i will 
be one of your fav exicutive in terms of my work and 
bevaviour.I know tat nw you r giving me a job tat requires 
more hard work and a clear vision for what i have to do.But 
let me tell u one thing tat with the help of my past 
experience and some qualitty training form ur side , i can 
perfome well

Iam benfitier in your company.and i give new idea in your 
company

As ur company is offering me a job which suites my interest,
it will be a great motivating factor to succeed. in addition
i am confident that i can prove myself. As your company is
into a dawning industry(whichever applicable), i am glad to
gain experience and to contribute the same for the growth of
the company.

what ever u r looking that qualities are with in me.
eg:good communications ,punctual in time.