Flat file to database in SSIS

 Hi,

I  have  flat file src  as  example  

slno

name

dept

1

sathiya

cse 

2

sham

eee

like this  how to  port into the  database  with  modify  the src  data 

where the  data has to  be inserted  into  the  destination  table as 

Slno  name   dept 

1 sathiya cse

2 sham eee

how could i can get the result  the issue is the src only wat to  choose .

thank u  .