Replace Last Word in WAV

I have a very short, 3-second WAV clip and I need the final word swapped out for the word “Jessie” spoken in the same voice as the first 2 seconds. Everything else in the file must stay exactly as is—tone, timing, background noise, and overall length... (Budget: $10 - $30 USD, Jobs: Audio Editing, Audio Engineering, Audio Processing, Audio Production, Audio Services, Sound Design, Sound Effects)