Refusal of service on Christmas day

Stopped at Shell Kroonstad on Christmay day for food. after standing in a line waiting to place our order, when we got to the till we were told to go to another till to pay. After standing in line again we were told we can not place our order there. we explained to the cashier the situation that we were confused, after being told twice that we can not be assisted with placing our food order. the cashier simply told us to rather go, they can not help us. This was rude, inefficient and dissapointing service received from 3 employees working within the Shell shop and Deli.