The three were present during a rally organised to by Black Lives Matter against two recentpolice-involved shootings of black men. Lorne Ahrens before the funeral services in Plano, Texas on Wednesday.
Lt. Governor Dan Patrick launched a fundraising drive for the families of the fallen Dallas officers.
The officers slain in Dallas last week were patrolling a demonstration decrying the killings by police of Alton Sterling, 37, in Baton Rouge, Louisiana, and Philando Castile, 32, outside St. Paul, Minnesota. "That means you", Obama said on Facebook. President Obama is meeting today to discuss repairing "the bonds of trust" between law enforcement and communities.
He called on people to submit their stories and ideas to go.wh.gov/VDPvKz.
"We're not even close to being there yet, where we want to be", he said.
The Rev. Al Sharpton also attended the sessions.
His six children from a previous marriage also took the podium to thank everyone for their support and to recall how hard their dad had worked to support them, often juggling two jobs.
Sharpton said the talk, however, must lead to change.
Cameron Sterling said during a news conference Wednesday that people should protest but that they protest peacefully. Sam Eichenwald for NewsweekFollowing the memorial service for the fallen officers, a group of city residents gathered beneath the Dallas flag near the fountain outside of City Hall to display "Love one another" in bright pink lettering.
"I know Michael is in the arms of god now".
A funeral service for Thompson, a newlywed, was scheduled for later Wednesday in Corsicana, south of Dallas.
Jack Graham, pastor at Prestonwood Baptist Church, welcomed Dallas Mayor Mike Rawlings and Dallas Police Chief David Brown and thanked them for their leadership, welcoming them to a service honoring Ahrens' memory.
Services were held for Dallas Area Rapid Transit officer Brent Thompson, Dallas police Sgt. Michael Smith and Dallas police Sr. Cpl.
Unlike yesterday's joint memorial service, the funerals were individual and took place in three different churches.
Smith joined the department in 1989, his sister told CNN affiliate KFDM. Lorne Ahrens have told law enforcement officers from as far away as Canada that Ahrens was a "supersized can of kickass" who was a voracious reader with an intelligence that was equal to his size.