Two days ago he booked me for yesterday booking at 5 pm. Sounded perfectly fine on the phone and confirmed meeting in the morning as I asked. Later, he said he'll be 30 min late, I said fine. Then at 5:05 he's texting me he's there. I'm saying can we please stick to oryginal plan at 5:30, cos I'm just having my lunch right now? He said fine, but "I'll have to make it up for him". He kept texting me in quite rude manner.
At 5:30 I'm calling him as I said and he's saying he's in front of hotel. I told him room number and way to lifts. Then I'm waiting and waiting and after 15 min I got text "I'm getting money out of machine".
After another 20 min he shows up banging at my door. I'm not opening and he's calling me. I'm telling him I can't see him now cos he's over 30 min late. He was talking in very weird way, so fast I couldn't understand him. He kept asking me if I'm sure and why, am I busy later? Maybe I'll have next client?
He called me couple of times asking exactly this same questions (and if I have someone booked after him) in angry, very fast way, banging at my door in meantime.
Then I thought he's gone, but I heard weird noises at corridor, like someone is walking around slamming fire door on purpose. Idk if it was him, I was just afraid to leave my room.

His name is Scott, Canary Wharf area, phone number 07502831***

I know nothing serious happened, but he was talking and acting really weird. I don't think he's stable.