They are just asking the name of Juan's friend. So you should reply "El amigo de Juan se llama ____"
In Spanish, it means "What is the name of your best friend?"
I think we need to know the name of Carmen's friend before we answer.
What's your name, friend ('amigo').
Whats' the name of that guys friend?
For example: "El muchacho se llama Kevin" or "Su nombre es Kevin"
"Como se llama ella" in Spanish translates to "What is her name" in English. It is a question used to ask for the name of a female person.
Como estas me amigo?
You could say "Eres una bendiga como un amigo."
Whats' the name of that guys friend?
Que es el nombre de ella Como se llama (ella)
Como te llama el
"¿Como se llama tu maestro?" means "What's your teacher's name?" in Spanish.