Just received message for installment loan

KANNAN | 2018年10月6日

Just received message for installment loan. i call and ask them the details. that person send me details, then i request for loan. he asking some particulars like company address, home address and bank acc no. i requested 2k. next day he ask to pay due amount 150. i ask him, y have to pay due? did you send me any money?.
he said yes yesterday i sent u 350 like this. i check my transaction history, there was 300 instead 350. he said this amount have to clear first with paid 500 for this 300.