private Booking()
{
context = new EventSourceContext()
.Given <BookingOpened>(e => Id = e.Id)
.Given <FlightRequested>((ctx, e) =>
{
Flight = new Flight(ctx.Then);
Flight.Given(e);
})
.Given <FlightConfirmed>(e => Flight.Given(e));
}
public EventStore(EventSourceContext eventSourceContext)
{
_eventSourceContext = eventSourceContext;
}