German phrase
Wie heißen Sie noch einmal?
Meaning
What is your name again?
When to use it
It asks for your name again. It is a polite way to ask after forgetting it.
Example dialogue
Entschuldigen Sie. Wie heißen Sie noch einmal?
Excuse me. What is your name again?
Ich heiße Anna Müller.
My name is Anna Müller.