24yr old Missing woman, possibly Swindon, London or Middlesbrough

Good evening everyone. This is a plea to find my niece. She is 24yrs old and I last spoke to her 24 hours ago. From what I gathered she was homeless and in need of help. 

 I bought her a coach ticket on line and she was meant to arrive in Middlesbrough at 5:30 am where I was picking her up. Only she didn't get off the coach! She had traveled from Swindon bus station - London Victoria - middlebrough. 

If any one sees or knows any thing please contact me. I am worried for her safety. Thank you so much xx
https://www.facebook.com/kathryn.robinson.315428?fref=photo