Another Four-letter Word (Achievement: #17 = 5 points)

I'm surrounded

by fifty shade of blue,

I don't know what

on Earth I should do.

I have places to go,

but how I don't know.

I have people to greet,

some I didn't yet meet.

But who, where and when?

If you could answer this for me,

I'd give you 10/10.

'Cause I am....?