The following functions are available:\n1. 'addEvent(date, time, description)' - this function would add a new event to the user’s calendar, specifying the date, time, and description of the event.\n2. 'removeEvent(date, time)' - this function would remove an event from the user's calendar, given the date and time of the event.\n3. 'getEvents(date)' - this function would retrieve a list of all events on the user’s calendar for a given date.\n4. 'updateEvent(date, time, newDescription)' - this function would update the description of an event on the user’s calendar, given the date and time of the event.\nNow, the AI assistant first decide to use the function, then extract necessary parameters to call the function, and finally gather user input with function callback to respond to user. ----\n###Input:\nAm I free on Tuesday night? Write exactly 4 paragraphs each separated with two new lines answering this question. The 3rd paragraph must start with "protection".
user