Yes, pp is tough at conference but you have the right idea: eggs and yoghurt at breakfast (you might get lucky and find chicken sausage!) and meat/fish and salads for the rest.
Now you've got me craving a stir fry... yum. It's been an age!
Many say to think Atkins when out and about and out of your comfort zone. Fat won't bring you out of ketosis, but carbs will...
Good luck! You're doing so well x