zamoliti

1. to ask; to request
   Zamolio sam komšiju da mi pričuva psa. — I asked my neighbor to look after my dog.
   Mogu li da vas zamolim za jednu uslugu? — Could I ask you a favor?

Used as zamoliti koga za nešto or zamoliti koga da + present; to ask a question is pitati, not zamoliti.