The Shuffling of a Hotel Room

I'm a 31 year old female, states away from home on a business trip. About an hour ago around 8.30pm here I had just gotten back to my room from a work dinner. I heard shuffling in the hallway and peeked out the peephole. I saw a figure seemingly outside the room to the left of mine looking outward. They were knocking lightly and said twice quickly. Hello? Hello? Then it sounded like the door opened and closed. Still it was really creepy and I'm uncomfortable thinking about it even after these 15 years. Also sorry for that kid. You seem nice and I can't imagine the embarrassment I'd feel if my dad was hitting on and