Anyone traveling from Chennai to Doha? I lost my phone in d same flight 2 days back. Need help talking to lost & found.

I lost my phone in the Qatar flight QR529 flight 2 days back. Need help in talking to their lost and found department, to know the status my phone. This phone has my personal details and contacts and I cannot afford to lose hold of this phone. Please help. I can even reward you with what I can afford.