simple repeating game

def ask_name():
    print('Please enter YOUR NAME.')
    asker = input()
    while asker != 'YOUR NAME':
        print('Incorrect, please enter YOUR NAME.')
        asker = input()
    while asker != 'your name':
        print('Incorrect, please enter your name.')
    if asker == 'your name':
        print('Thank you!')
    elif akser == 'YOUR NAME':
        print('Thank you!')
ask_name()