Green Landscape

Hello,,I hired this company Green Landscaping (Luis G owner) to come out and redo the whole driveway into double driveway and my patio walk-way he gave me a bid of $2,200 and also told him im waiting for my pergola to come in he said ok, so when cam out to do the job they started working ,I notice that only part of the drive way is coming up ,I stop him and told everthing needs come up he said oh,,thats $3,700,,I said ok he change the price afther he came out give me a bid , but I needed it done, So they finish drive way and part of the patio, not the walk-way, because I need to put up a pergola in front of my house which makes the front patio he said ok ok call me when you get that in and up so we can come back and fnish the job So I gave him $3,000cash and keep $700. so when I got the Pergola in up and painted it warped so I called the Pergola people told what happened the no problem we will take card of it, so I waited for them to send the top half out to me which came from Pittsburgh so it took time to make it and ship mean while my truck stop working had to get that fix everthing to longer than a expected , but I contacted him Luis and told him what was going on.I called him back in 5/13/18 and told him he said ok let me know when you get everthing done so we can go back and finish the job,,he txt him on 6/10/18 wanted the $700 I told him was not ready he said ok on 6/11/18 thus is from him txting (ok let me know when you are ready I also hope the everthing is solved with the wood and your truck) thats his txt ,,So like I said everthing took longer than I expected So I contact him In Oct, got no response from him again in 10/22/18 no response not until 11/02/18 he txt me back told him everthing is ready he said ok stop by your house in 2weeks that came and pass, he was asking for $700 that I still owe him, I told him the job is not done and the drive-way has lots dips in it he is saying I never contacted him until , what does mean good question,???? so on 11/14/18 I