Call center application(Artificial Intelligence)

System Description :- This application is a Call center application.\r\nSystem should answer the user inputs correctly.\r\nI want to develop this system, which has main 3 parts. You have to\r\ndevelop an AI(Artificial Intelligence) But you cannot use AIML(Artificial Intelligence Markup Language). You\r\ncan choose any other advance technology.\r\nAI should connect to the web service which developed in ASP.Net\r\nAndroid app pass user inputs to the web service and retrieve and\r\ndisplay the answer.\r\nAI should answer the every question which user input,\r\nAI should posses like below example\r\nEx: Scenario 1\r\n Question1 : What are roaming service cost?\r\n Answer : Please input the country\r\n Scenario 2\r\n Question 2 : What is roaming service cost for India?\r\n Answer : 2rs per min\r\nMore details will be provided for the candidate