If you do not wish to chat with your bestie after recording a journal entry, you can disable it from your profile/settings.
Please follow these steps to disable your bestie:
Go to your journal tab by pressing on the book icon in the bottom left
Then, navigate to your profile screen by pressing on the user icon in the top right
Toggle the bestie option off to disable your bestie (pictured)
After disabling your bestie, you will no longer be prompted to chat with it after recording your daily entry. You can re-enable your bestie at any time!