That is something I would love to express. I must say, it was a once-in-a-lifetime opportunity for me. It wouldn't be a dream if they weren't there to support me; I can't express my gratitude enough.

With you and your organization, I had a very encouraging, supporting, and helpful experience. From the time I submitted my application until my visa was approved, you and your organization were accommodating and helpful.

I'd like to thank you for all your efforts in supporting me in fulfilling my dream of studying overseas. You and your team did a fantastic job all along the way.

From the moment I accepted the offer till I acquired my visa, you have guided and assisted me. I'd want to offer my appreciation for your help.
Best regards.