Create a realistic phone book application in C++ which makes use of classes, functions, and file-operations.

Create a ContactsBook application that allows the user to create, search and display their contacts. Your program must store all contact information on a file. Contact details can include attributes like First name, Last name, Phone, Email etc., Your program must allow the user to:

(i) create and store new contact information

(ii) search for a contact using details such as name/phone-number

(iii) display all your contacts on the terminal

Assignment requirements:

(1) create a Class called ContactsBook

(2) use functions() to perform the required actions

(3) store contact details on a physical file using ifstream/ofstream objects

Important: Implement a function that allows a user to search-and-delete a contact.