Chatfuel is good if you have a page on Facebook. It is actually a bot for Facebook Messenger and Telegram. The installation steps are very easy and guide you step by step in making your own chatbot, without any coding needed. You can edit a response for any question asked, and the best part of it is that it is free if you stay under 1,00,000 messages per month. In the following screenshot, we can see the interface of the Chatfuel service: