If confirmed, the reassurance will bring an end to months of hostility between Sessions and the White House.
The new White House chief of staff has not been very happy with Trump of late.
John Kelly, Secretary of Homeland Security, said the move would be part of a broader effort to tighten airline security to combat what he called "a real sophisticated threat."
Trump's team claim he "won" even after getting less border wall funding than he wanted.
The Homeland Security secretary says heroin, cocaine and meth are bigger problems.
The head of Homeland Security said the wall would not be completely physical, with parts made up of electronic surveillance.
The Secretary of Homeland Security said that European tourists could face tougher vetting at the U.S. border due to the risk of ISIS foreign fighters using the visa waiver system.
Proponents of limiting legal immigration have argued the program gives jobs that Americans could fill to foreign workers at a less expensive cost.
There has been a 39 percent drop from January to February in the arrest of undocumented migrants.
Director of Homeland Security also says people caught on airplanes when the new order goes into effect will be allowed into the U.S.
His presidency looks more knife fight than a well oiled machine.
Meanwhile, Donald Trump has been selected as "Time" magazine's Person of the Year.
"The amount of movement and sophistication of the network overwhelms our ability to stop everything."