Flipkart — cancelled my order after approval

Hello Sir, I got Lenovo A7000 in my cart on flash sale, Order ID: OD[protected] they send me confermation on phone [protected] that my order in processes. but later when i check my account that they canceled my order . now when i talked with costumer representative, he said its there fault and i need to wait for another 1 week, need to register again for Lenovo A7000 and again need to click on flash sale . i already wasted 7 days on doing that and they telling me to do that again, kindly please solve my issue Sushil [protected]