1class Greeter(BaseAgent):
2    def __init__(self, menu: str) -> None:
3        super().__init__()
4        self.menu = menu
5
6    @function_tool()
7    async def to_reservation(
8        self,
9        context: RunContext_T
10    ) -> tuple[Agent, str]:
11        """Called when user wants
12        to make a reservation."""
13        return await self.transfer_to_agent(
14            "reservation",
15            context
16        )