Yes you can use any booking link that you have. The link may not show up prominently on the Google Business Profile but will be available as a url link.
Go to your Business Profile. To manage your links: With Google Search, select Booking, Food ordering, or Pickup and delivery. With Google Maps, select Edit profile and the transaction type that you want to add a link to. Select Add link. If you already have links on your Business Profile, select Add another link. Enter the URL that you want to link to the button. Select Save.