I was thinking about you on Friday and I wondered if you'd started your new job. I hope you like it.
It would be best to dress yourself in 'safe' clothing, skirt nearer the knees and tops covering your boobs and long enough to allow you to bend comfortably.
When you feel settled and more confident at work you could try wearing things like this dress.
I quite like it. My friend's daughter is a model and she's 5'11" so that dress would be a lot shorter on her than it would be on the average person. Depends how tall you are I guess
As a receptionist you are the first person people see. Clothes should be about knee length or trousers. How about three knee length skirts in different colours with plain or discretely patterned shirts.