Pay for Express delivery to receive Standard delivery

I placed an order on Tuesday, 29 March and opted for the Express delivery, as we were leaving to go on holiday on 1 April, therefor I opted for the Express delivery, as it would be delivered WITHIN 1-2 days. This was however not the case, I received a message stating that the parcel would be delivered on 1 April. I sent an email on 1 April, stating my disgust to having paid for the Express delivery, but received Standard Shipping. Here is the response I received: "Hi Carmen, Thank you for contacting Lovisa! As couriers do not delivery during the weekend your parcel will be delivered the next business day :) Please reach back for further assistance.

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Warm Regards, Gabby @ Lovisa Customer Support"

If Gabby really wanted to resolve my issue she would have tracked my order and would have seen that the order was placed on a Tuesday and that it didn't fall on a weekend. I have no idea why she even mentioned it in the first place. Do you guys just respond to emails for the sake of responding?