Source: Macron and Trump likely to meet on sideline of G7 summit - Reuters

Reuters quotes a source from Elysee palace, the official residence of the French President Macron, the US President Trump and Macron are likely to hold talks on the sidelines of the G7 meeting, which is scheduled to take place next week on June 8th and 9th in Quebec, Canada. 

French officials were also cited, as saying that the key topics on the agenda of the summit are expected to include the US' stance on trade, climate and foreign policy.