Microsoft has released the ability to do background replacement. This new feature in Teams allows meetings attendees to customize their background from a list of pre-selected images as well as it has the ability for users to upload their own custom images.
Microsoft Teams
Use Microsoft Teams and Office 365 to collaborate, create and be more productive throughout the day from home or anywhere.
Power virtual agent is a powerful tool launched by Microsoft that is used to build your own Chat-Bot and It can connect with Power automate flow so that you can lead the chat-bot according to your requirement.