If they're going to remember the problem, make sure they remember it fondly.
Giving great service requires the right people and the right service tools.
A great leader makes what is visible in their mind, visible to all.
If you want to be the best, find the best in others.
Listen to customers and you will hear them. Look carefully at customers and you will see them. Do both and you will understand them.
Don't let doing enough be good enough.