My Dear Mother/Father,
Hi, hope you are fine, I am great here. I want to inform you that I have been selected for the __________ (district/national tournament) and I have to go to ____________ (place where you are going) on _______ (travel date). I am the _________ (captain) of my team and it is a compulsion for me to be a part of it. This is a lifetime opportunity so I really want to go.
I want a sum of ___________(Amount) for this trip. Being in the final year, this would be the last chance for me to represent my college on a national platform. I am enclosing my permission form which is to be filled and signed by you. I promise, this year also I would be a rank holder.
Your loving Son/Daughter,