I think you have forgotten me already I saw you come in here, but you did not contact me I think you're talking to someone else I do not want to bother you.
I thought you would have forgotten me. I saw you come in here, but you did not contact me I think you talk to everyone else I do not want to interfere with you.
I don't think that you have forgotten me, I saw you come in here, but you do not call me I think you can talk to other people so that I don't want to disturb you