Just curious (not trying to sound snarky)-- Do you use Concur? If so, I'm curious if you prefer it to booking travel yourself. In research, we only met one traveler who was satisfied with Concur, and it turned out that they had an assistant using it for them. Our goal is to make a travel tool that's an employee perk and a joy to use, and one that saves the company even more money through saving employee time.
I'm CTO at 8Common who own Expense8. We're a local player in Australia who compete directly with Concur. We hear all about peoples frustrations with Concur. We are also looking at interface and workflow enhancements too and I am interested to see how you get on with Carry. I do think there is a trend towards simplification of travel booking but I'm still not sure what the end (winning) result will be.