App.js

constructor(props) {
  super(props);
  this.user = undefined;
  this.bot = { id: "0", name: "bot" };

  this.state = {
    messages: [
      {
          author: this.bot,
          timestamp: new Date(),
          text: "Hello! Please enter a name in order to start a chat"
      }
    ]
  };
}