Text file reading problem

This is my code, its judge the content that user input is correct or not, if correct, display those information. I want to modify on it to make it display all information without check "st" variable. How do I achieve that? Please help~~
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							char st[20];char c;int j=0;int flag;
                            if(i==0)
                            { cout<<"No information. Please reserve first!"<<endl;Sleep(2000);break;}
                            do
                            {
                            flag=0;
                            //cout<<"Please enter the 【Start place】: ";
                            //cin>>st;
                            cout<<"\n------- Information of "<<st<<" -------";
                            for(int j=0;j<i;j++)
                            {
                            if(strcmp(st,(*s[j]).start)==0)
                            {
                            flag=1;
                            cout<<"\nFlight number:  "<<(*s[j]).flight<<"\nDate:           "<<(*s[j]).date<<"\nStart place:    "<<(*s[j]).start<<"\nDestination:    "<<(*s[j]).finish<<"\nDeparture time: "<<(*s[j]).stime<<"\nFligh type:     "<<(*s[j]).ftype<<"\nPrice:          "<<(*s[j]).price<<"\nPersonal Info:  "<<(*s[j]).pinfo<<endl;
	                        }
                            }
                            if(flag==0)  cout<<"\nSorry, no result!"<<endl;
                            cout<<"\nDo you wanna continue? (y/n): ";
                            cin>>c;
                            if(c!='n'&&c!='y')
                            {
                            cout<<"Wrong operation. Please try again."<<endl;system("pause");break;
                            system("cls");
                            cin>>c;
                            }
                            }while(c=='y'); 
                            break;
                        }
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