my first entry

Hi.
Suddenly, I was tired today,. Because because I searched it with a PC all day.
I am looking for a cheap airline ticket.　This is very tough.
So, I learn English. I can not cannot remember. , But but I do my best.

1) Suddenly means something occured without prior indication, think a loud noise that startles

2) don't start a sentence with because or but

my first entry

Hi.
Today I felt tired. I worked on the computer all day.
I  looked for a cheap airline ticket.　It was difficult.
So, I want to learn English. It is hard to remember the words.
But I will try. 

My First Entry:

Hello everyone, 

I am very tired from what I did today. I searched with a PC all day Because  I am looking for a cheap airline ticket. This is very tough. So, I am learning English. I cannot remember everything, but I do my best.