My 2nd interview in Singapore

Yesterday, i went to Simei
for my cashier interview

On the way to Simei
i was trembled
i did't know why i was like that
although it was not my 1st interview

Before i went inside the restaurant
i loud my voice and asked the people who were stood nearby me
"Hello, do you want to employ cashier here?"
they all stared to me few seconds

Then they said if i want be cashier here, also need to help outside
summarize it as cashier + waitress
LOL, i didn't asked about the salary
and they also reject me when they knew i'm student
More, they also don't want the part time one

Failed...
Never mind, keep it up!
find another job!