In Teams, you can chat with bots from a bunch of your favorite apps and services.
Chat one-on-one with a bot
If you've already added the bot, just click New chat at the top of the app and type the name of the bot into your To field. Then, chat away.
Add a bot to a chat
Where you write messages and replies, just type "@" and then select Get bots to add a bot to an existing 1:1 or group chat.
Add a bot to a tab
To add a bot to a tab in an existing chat, just click on the at the top right of the app to make it a new tab.