"Elizabeth is a friend of mine, but we didn't chat yesterday," Cruz said. "I'm not sure what you saw, but we didn't have a conversation yesterday."
Cruz's opposition to the bill is rooted in the debate over immigration. He wants to see a tougher response to President Obama's decision to halt the deportations of millions of undocumented immigrants.
Warren opposes the bill because of a provision that would loosen restrictions on big banks. Both have pushed amendments to further their causes.
So what advice does Cruz have for Warren?
"I will leave it to others as to how to strategize as to how to get votes from left-wing Democrats in the Senate," he said.