temp/Views/AgentWindow.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:vm="using:app.ViewModels"
             x:DataType="vm:MainWindowViewModel"
             x:Class="app.Views.AgentWindow">
   <StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
        <TextBlock Text="Deepgram Voice Agent" HorizontalAlignment="Center" VerticalAlignment="Center"/>
        <Grid ShowGridLines="False" Margin="5" ColumnDefinitions="Auto, Auto" RowDefinitions="Auto, Auto, Auto, Auto">
            <Button Grid.Row="0" Grid.Column="0" Background="Red" CornerRadius="10" Command="{Binding EndConversation}">End Conversation</Button>
        </Grid>
    </StackPanel>
</UserControl>