Facebook/ Messenger Chatbot (for ads / fun page)

I need chatbot for facebook ads/funpage. 1. We will display ads, witch after click open chat 2. In chat window will be written: Hi, if you want free Google Ads audit write down your Google Ads ID: 3. Parse (XXX-XXX-XXXX) - X - digit 4. Wrong > show message 5. OK > send ID to my api url + secret random code 6. Write: You has recived access request on your email sended by Google. Please confirm connection using link in your email. After confirmation write down "OK" (or if it posible auto refresh every Xs my api url to check status) 7. If "OK" or "auto check" return success write link to report We prefer PHP