Hallo Doctor ,my Son Is Two Years Old Now,he Still

hallo doctor ,my son is two years old now,he still loves drinking milk from bottle , i tried giving him milk from cup by adding chocolate , which he likes but he didn't drink. whenever i try to give him milk in cup he just waves his hand and head and says no, what can i do? can i use femite to stop bottle feed and how can i use? i don't want him to stop use drinking milk as he is very choosy in having food, .