Tu t'appelles comment? or Comment tu t'appelles?
To ask someone how to spell their name in French, you can say "Comment tu épelles ton nom ?" which translates to "How do you spell your name?"
"Comment t'appelles-tu ?" or "comment vous appelez-vous ?" are the questions to ask someone their name.
When you want to ask about someone's health in French you would say Comment allez-vous.
Quel est votre nom de chiens ?
It means what is your name, to someone older than you or that you don't know well
To ask someone their name in French, you can say "Comment tu t'appelles ?" for an informal context or "Comment vous appelez-vous ?" for a formal situation.
To ask someone his/her name.
comment t'appelles-tu? / comment tu t'appelles? = what's your name?
Ce qui est le nom de votre mére?
To politely ask someone for their name, you can simply say, "May I ask for your name, please?"
parlez-vous français ? means "do you speak french?"
You would say "Quel est votre nom de famille?" in French to ask someone for their last name.