Trump responded in a "very positive manner," said Ushakov, according to rolling news channel Russia 24.
Putin says US-Russia relations are getting 'worse and worse'
At the beginning of the meeting, Trump hailed a "very, very good" relationship with the Kremlin leader as they met for their first face-to-face talks since July.
Relations between the two former superpowers have been strained amid differences over Syria, Ukraine and alleged Russian interference in US elections.
Trump ran into criticism after the July meeting with Putin in Helsinki for being what was judged at home to be too conciliatory.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ