As stated on the website of the US State Department, this was stated by the representative of the department Ned Price.

“He promised to continue active economic and military assistance to Ukraine,” Price noted.

It is added that Blinken also said that the United States "gives priority to the sovereignty, territorial integrity and Euro-Atlantic aspirations of Ukraine." 

Earlier, Kuleba, following a conversation with Blinken, said that a "new day" was beginning in relations between Ukraine and the United States.