What does Jeremiah 21:2 mean?

They said, 'Please ask the Lord for us, because Nebuchadnezzar, king of Babylon, is attacking us. Maybe the Lord will do something amazing for us, like he has before, and make Nebuchadnezzar leave.' Jeremiah 21:2 - Modern Text Bible

(The officials ask Jeremiah to pray for a miracle, hoping God will rescue them from the Babylonian invasion.)