Costa Coffee review: tall mug offer

Hi iam very sorry for having to complain but I seen that you advertised you get a free coffee with every coffee cup you buy so I decided to buy 2 tall mugs and ask for a free coffee in just 1 of them as the other is a present only to find out they don't do the offer. I did ask if he could ask the manager just to be told the same answer, surely if your advertising it they should have to do the same deals? Ps I would like a free coffee haha

My email is [protected]@gmail.com

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