Fail to transfer whatapp chat - no option to restore
According to this link :

How to transfer WhatsApp conversations to new devices: the easy way

When you have a backup, just you need to install WhatsApp on new device and,


  Do not start the app in new device !


and then, Copy Database files in WhatsApp / Databases and finallly, 

Setup your number in WhatsApp , and then go to Restore. or follow above link.