MoneyGram Money Transfers Complaint

MoneyGram Money transfers department,

International money transfer Wrong amount charged or received New York

I opened an account with MoneyGram to transfer money to - online. Money is transferred from my checking account. On - - I transferred $700.00 dollars to - online using MoneyGram website. On - - $1000.00 was taken from my checking account. However, only $700.00 was transferred. After several calls to the customer service and written complaint online using MG link no resolution was available. On - - MoneyGram cancelled the transaction and returned only $700.00 which I picked up from an agent.