What is the best bot for Facebook?

Hi, guys give your best suggestion for best FB bot. Is this really available bot for facebook?

I personally did not use it, but often saw reviews of JARVEE
Hope this helps

Instalocate
This bot helps you to track your flight via Facebook Messenger. It basically works as your 24/7 flight assistant. Instalocate alerts you about flight delays, flight status and can get you compensation in case of a flight delay. Instalocate summarized the complex customer rights for your convenience.

Hello to be honest Facebook bots often get people into trouble and is against there policy's I would recommend you don't use some kind of Facebook Bot.