But the Trump administration made clear Iran would have to discuss its nuclear program.
"I'd be able to do that if I wanted, but I haven't suggested that," Trump said in an interview with NBC's "Meet The Press" that aired Sunday.
News of the letter comes as Trump prepares to depart for Asia, where he is expected to hold talks with Chinese President Xi Jinping.
The president said he wanted lawmakers to fix what he described as "asylum and loophole problems" at the southern border.
Trump's comments come after he called off strikes over concerns that a military response would kill scores of people.
Target's registers were down on Saturday for several hours preventing customers from checking out.
A company spokesperson said the outage was the result of a "an internal technology issue" and was not security related.
The U.S Chamber of Commerce and the Alliance of Automobile Manufacturers both praised the president for suspending the planned tariffs.
Vought asked for a delay in the implementation of the National Defense Authorization Act, signed by President Trump last year and which contains provisions that target Huawei, according to the Journal
"Importantly, some things not mentioned in yesterday press release, one in particular, were agreed upon," Trump said. "That will be announced at the appropriate time."