Qatar Airways — Baggage missing/delayed

Hi

I traveled from benguluru to San Francisco via Doha on Sep 5th.My baggage has not arrived at SanFrancisco airport.Filed a report at the airport immediately on the same day .so far no update .it’s been two weeks.WhatsApp number given to talk to agent doesn’t work at all.I have some medicine and valuables that I need . Appreciate if this can be investigated.If we don’t hear in another week, we are going to take serious action on this matter.