Help workflow send another message is not available in workflow

My Many Chat account run k automation proper working but i use booking a call button and link booking calendar attaced look like “https://www.coreglobalcredit.com/booking” and then same time 1 another message send look like “Book a Call: https://www.coreglobalcredit.com/booking If you are interested in our 4 Day Deletion Hack ebook click here: https://www.coreglobalcredit.com/ebook”
please check my this workflow name “3 favorite credit dispute letters New Worflow” and let me know.