This is a very common conversation for when someone goes shopping.
are you just looking? = do you want to look alone?
to have a sale = a store will have many things at a
discount (The store is having a sale.)
to be on sale = one or more items at a discount (This
shirt is on sale.)
hanger = holds the clothes (a picture of it is on the
rack = a metal (or other kind) bar that holds clothes.
You put your clothes on a hanger and then put the hanger on a
fitting room = the place where you try on clothes
max out a credit card = (this is slang) It
means you have reached your limit. If you cannot spend more money
on your credit card, you have maxed it out.
how would you like to