Only if you one-sidedly try to impose yourself on that person, without regards to their attraction to you. Flirt and ask someone out if they seem interested, but if they aren't, drop it. What is uncomfortable and makes for a really hostile work environment is advances and unwanted attention that can't be easily stopped.
I think you underestimate how far things have already escalated. Even if you ask somebody out just once, chances are you are one of many and eventually you will be a data point in the "I was constantly being harassed" claim.
