Task: Open the Outlook App, Select the Todoist (Pooja's Task) Email date of 8 Aug, Go to the Three Dots to Unflag the Email.
Steps:
Open the Outlook app
Swipe up to see the Todoist (Pooja's Task) Email date of 8 Aug
Swipe up to see the Todoist (Pooja's Task) Email date of 8 Aug
Select the Todoist (Pooja's Task) Email date of 8 Aug
Go to the Three Dots in the Top Right Corner of the Screen 
Click on the Unflag Option to Unflag  the Todoist (Pooja's Task) Email date of 8 Aug