Hi there!
B: Have you done this kind of job before?
A:Yes, I have.
B:Where?
A:Well,I`ve had some experience in a record shop.
B:Oh,really?
A:Yes,I worked there two years ago.
B:Were you a sales assistant?
A:No,I was a cleaner.
A:Oh,I`m sorry. We need someone who has had experience as a sales assistant.
Succes!