["I just moved to a new city and I don't know anyone. I can't seem to break into the social circles at work.", 'These things take time.  Have you met any of your neighbors?', "I guess it does. I haven't- it's a big apartment building."]
Maybe you should try introducing yourself to your neighbors.  Or look online for meetups for hobbies that you're interested in.
I just moved to a new city and I don't know anyone. I can't seem to break into the social circles at work.