You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: conversation.rs
    path of file: ./repos/rust-bert/examples
    
    the code of the file until where you have to start completion: // Copyright 2019-present, the HuggingFace Inc. team, The Google AI Language Team and Facebook, Inc.
// Copyright 2019 Guillaume Becquin
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not
    
fn main() -> anyhow::Result<()> {
    let config = ConversationConfig {
        do_sample: false,
        num_beams: 3,
        ..Default::default()
    };
    let conversation_model = ConversationModel::new(config)?;
    let mut conversation_manager = ConversationManager::new();

    let conversation_1_id =
        conversation_manager.create("Going to the movies tonight - any suggestions?");
    let _conversation_2_id = conversation_manager.create("What's the last book you have read?");

    let output = conversation_model.generate_responses(&mut conversation_manager);

    println!("{output:?}");

    let _ = conversation_manager
        .get(&conversation_1_id)
        .unwrap()
        .add_user_input("Is it an action movie?");

    let output = conversation_model.generate_responses(&mut conversation_manager);

    println!("{output:?}");

    let output = conversation_model.generate_responses(&mut conversation_manager);

    println!("{output:?}");

    Ok(())
}