Here take my dog!

Today on the underground I was walking along with the other commuters on my way home. A man looking like a crazy professor with his hair standing up and he wasn´t that clean either he asked the people passing by if they could help him with his husky dog. He had a suitcase on wheels which he wanted to take on the escalators (rulltrappa) but he dog should walk up the normal stairs. So he wanted help. No one stopped so I thought well why not!? I took the dog and the red dog leash and walked the dog. While I was walking up the man talked to be from the escalator: How old do you think the dog is? I said I do not know maybe 10 years old. No he is only 6 months. So on the top of the stairs I wanted to give the dog back BUT no...We are going up one more floor. Eh...OK. So one more floor on the underground. Then I said goodbye to the dog and the nutty professor. So that was a first some unknown man give me his dog..... :)