Booking.com complaint: Price match fail

Booking.com offers to give back price difference, if you find the same accomodation at a lower price on another site. I submitted a claim with all same details. Advised I’d hear back within 24 hrs. I never, had to call them. Advisor said all was valid but due to high price difference had to pass to higher person. Then received email saying not valid due to cancellation being 59 mins difference. My booking ation was same cancellation times. Then advised mot in same currency, again resubmitted in same currency. Been on phone every day for nearly a week, put on hold for up yo 50 mins then cut off. All initial advisors say claim valid. Offered credit towards other booking once original booking completed.
Finally spoke to manager who said about credit, when I asked for pricematch they hung up the phone without saying goodbye. I have since resubmitted claim with everything required but no response.

Suggested solution:
Refund the difference as it is promised in the rules or don’t offer price match.