Function: ticket_login
Description: This tool belongs to the ticketing system that is part of a company, which allows users to create, view, and manage support business tickets. Tool description: Authenticate a user for ticket system.
Parameters:
type: dict
properties: username: type: string
description: Username of the user.
password: type: string
description: Password of the user. 
required: username, password
Response:
type: dict
properties: success: type: boolean
description: True if login was successful, False otherwise.