thank you letter

[easy learner]

Dear Teacher,

Is what I wrote below correct grammatically or not

Thank you for appointing us as your agent It is our pleasure to work with your esteemed company hoping to cooperate with you in the near future

[Casiopea]

What about?

Thank you for appointing us as your agent. It is our pleasure to work with your esteemed company. We look forward to cooperating with you in the near future.

Note, replace the underlined portions with words that refer to what your agency does/will do for that company. For example,

It will be our pleasure to promote your esteemed company.
We look forward to meeting with you . . . .