Stale food at the coffee shop

Very disappointed with the service at the coffee shop. We had lunch yesterday and as soon as we left the hotel, we started feeling sick and immediately had running tummies. We felt sick the entire night and decided to take the doggy bags back and complain about being sick after eating from there. We got there and they called the manager who told us to go and seek medical help and bring a note from a doctor proving that we got sick from eating their food. How ridiculous is that? We never got a refund and not even fresh food to replace the bad meal we had. The service is really bad and would never recommend anyone to go there.