def __init__(self, name, requires, at_least_one, optional):
self.name = name<EOL>self.requires = requires<EOL>self.at_least_one = at_least_one<EOL>self.optional = optional<EOL>
Create Intent object

        Args:
            name(str): Name for Intent
            requires(list): Entities that are required
            at_least_one(list): One of these Entities are required
            optional(list): Optional Entities used by the intent