The Aussie dollar was flat at $0.6717 after a review of the Reserve Bank of Australia (RBA) released on Thursday outlined a range of reforms, including a more focused monetary policy mandate. Morgan StanleyMS.N reported first quarter profit on Wednesday that beat expectations, adding to rosy results from major U.S. lenders that have calmed fears of a widening crisis after the failure of Silicon Valley Bank and Signature Bank last month. Fed Bank of New York President John Williams said on Wednesday that inflation was still at problematic levels and the U.S. central bank would act to lower it.