How do you say daily phrases in Japanese?

How do you say these shopping phrases in Japanese?

• Can anyone tell me how to say these in Japanese, as if speaking to a shop assistant? Answers in romaji please. "Do you sell ________?" "Do you do delivery?" "This doesn't work" "This is broken" "I'd like a refund please" Thank you again lovely Japanese geniuses!

• Answer:

  Do you sell xxxx? = xxxx wa utte masu ka? Do you do delivery? = takuhai wa deki masu ka? This doesnt work = Kore wa ugoki ma sen. This is broken = Kore wa koware te ima su Id like a refund please = Hen kin wo onegai shimasu. If you have any other questions, just msg me ;)