Neeloda went to a supermarket to buy a groceries. After filling the trolley with assorted goods, she pushed it to the payment counter. There was a long queue. At that moment, she received a call from her mom reminding her not to miss her medical appointment again. Neeloda decided to walk out and quitely left the trolley behind. At the exit she was stopped by the sale supervisor on duty who asked her to pay for the groceries before leaving. Neeloda refused as she was in hurry. Advise the parties on their rights according to the law of contract.