What is the best costumer service of the food and beverage?? How can you handle the costumer complian??

customer service in F And B industry is very critical, the first training i usually do is how to achieve perfect customer service then i go to technical issues. What i aim to achieve is something i love to call " A-plusing" the customer. complaints should be taught how to be resolved to staff in a way i prefer which is using initials for example : use the LRAF listen respond act follow up offcourse many other ways and techniques can be usedSalah Skafi