Although misconstrued as a question, this is actually just a form of 'hello'. Derives from the North of England, usually slurred into one syllable, sounding thus- 'oo-eye?'
Southerner- 'Yes thankyou I had a touch of the flu on Thursday but recovered much quicker than I first suspected. I've been working a lot recently, and what with the kids it was inevitable I would get run down. Looking forward to the summer though! Are-you-al-right?'