Write from 1 to 4 which e-mail are formal or informal, please read under 1) Sorry, Sophie, I’d normally help, but I’m going on vacation tomorrow for three weeks. Why not call a technician from Jacob’s Air Conditioning? They’re very good and not too expensive.
2) Dear, I am sorry, but we only give refunds in case of mechanical failure. I am, however, attaching some tips for you on how to make your printer run faster. I hope this helps. My apologies again. Davina Miles.
3) Hi again, I’m afraid I’ve no idea. Try looking at the discussion boards for your particular car model on the internet. I’m sure someone will know. Good luck.
4) Dear, I regret to say that we only supply user manuals with the equipment at the time of purchase. However, you can download one by following the link below. Kind regards, Justine Banal.