Changing the date of a development conversation can only be done by the conversation coach.

If you are the conversation coach in this development conversation, you can change the planned date of the conversation by going to page Conversation - open the development conversation. Click on Tasks and click on the proposed date. A pop-up screen will appear and here you can change the proposed date and/or time.

Want to know more about conducting a development conversation? Read Conducting a development conversation as a coach