Work is near to be done, but the client doesn't give me final instruction and ignore my messages

Hello there!

Greetings from Serbia and I hope that you doing well in those hard times. I have some doubt what to do next because my client reads my message in workflow but dont answer on them any more. I am nearly to complete that job (making logo and banner design) and he needs only to chose font and looks for new banner but he doesnt respond. What to do next? I put effort to satisfied that client with design and I want to be paid for my time. Thank You!