Goal: Our friends' planned get-together has been postponed due to the reason, and the new date is September 30th, thus I'd like to update this on the calendar event.
Steps:
action: action_type: click
step_instruction: click on the event
action: action_type: click
step_instruction: click on the edit icon at the top right side of the screen
action: action_type: click
step_instruction: click on the date
action: action_type: click
step_instruction: select the date 30th September
action: action_type: click
step_instruction: click on the OK option
action: action_type: click
step_instruction: click on the Save button at the top right corner of the screen