Add a new employee to the HRMS system. :param emp_name: Employee name :param manager_id: Manager ID (optional) :return: Confirmation message

Get employee details by name. :param name: Name of the employee :return: Employee ID and manager ID

Create a ticket for buying required items for an employee. :param emp_id: Employee ID :param item: Item requested (Laptop, ID Card, etc.) :param reason: Reason for the request :return: Confirmation message

Update the status of a ticket. :param ticket_id: Ticket ID :param status: New status of the ticket :return: Confirmation message

List tickets for an employee with optional status filter. :param employee_id: Employee ID :param status: Ticket status (optional) :return: List of tickets

Schedule a meeting for an employee. :param employee_id: Employee ID :param meeting_datetime: Date and time of the meeting in python datetime format :param topic: Topic of the meeting :return: Confirmation message

Get the list of meetings scheduled for an employee. :param employee_id: Employee ID :return: List of meetings

Cancel a scheduled meeting for an employee. :param employee_id: Employee ID :param meeting_datetime: Date and time of the meeting in python datetime format :param topic: Topic of the meeting (optional) :return: Confirmation message

Get the leave balance of an employee. :param emp_id: Employee ID :return: Leave balance message

Apply for leave for an employee. :param emp_id: Employee ID :param leave_dates: List of leave dates :return: Leave application status message

Get the leave history of an employee. :param emp_id: Employee ID :return: Leave history message