More than likely it did happen. Comey from my understanding, while a bad decision-maker, has never been characterized as a liar..... Trump on the other hand, has issues with the truth. If you're going to ask a reasonable person who, generally over the course of their lifetimes, is the more believable between the two, I think most would say Comey without a second thought.
Comey stood up to the Bush Administration when it counted. By all accounts he's a boy scout and I admire that. Heck he's had to go through that whole Hilary mess and her husbands stupidty and the AG idiocy and willingness to speak to him on a plane during an active investigation of his wife and now Trumps crap. I know he's a big boy and he's supposed to be able to handle anything correctly but sheesh what more can you ask from someone.
Really, can anyone but the most gullible or most ardent supporters trust or believe anything the President or any of his surrogates say.
The good thing is instead of just leaks and reports from unknown sources that at least we should be hearing something more directly fairly soon.