Dashcam Installation

I Have Scheduled A Dashcam Installation For 3 Times Then They Never Pitched Or Called To Tell Me They Are Not Able To Come And Install It Then I Cancelled It , After A Few Weeks They Phoned Me And Said They Are Sorry But Didnt Had Stock Or Technicians Available Dont I Want To Consider It Again I Said Ok Can We Please Schedule It For Today The 05/12/2025 At 15:00 Then I Got A Message On The 02/12/2025 To Say Please Remember The Appointment Between 09:00 And 16:00 On The 03/12/2025 So I Phoned Them And Told Them That I Asked The 05/12/2025 They Said Ok Its Fine Then On The 03/12/2025 One Of The Guys Phoned Me I Said To Him That Its Scheduled For The 05/12/2025 Can We Make It 15:00 As I Was Dropped 3 Times Already The Previous Times And Cant Take Of Early Again At Work He Agreed We Are Standing On 17:00 Now And Still Nothing Not Even A Call To Say I Cant Make It So I Phoned Them Now At 16:45 Again And Cancelled The Dashcam For The Last Time Now By Them This Is Really Bad Service That The Client Need To Phone The Whole Time To Ask Whats Happening