Dental Appointment program

Does anyone know the solution to this problem? Been experiencing multiple errors. Thank you!

Create a class named DentalAppointment. Include fields for a patient’s data (use the Person class),
the date (using the Date class), the time (use the Time class), and the duration of the appointment
in minutes. Also include a field that contains the ending time of the appointment; this field will be
calculated based on the start time and the duration using the Time class function that adds minutes
to a Time object. The DentalAppointment constructor requires a first and last name, and a month,
day, year, hour, and minute for the appointment. Allow a DentalAppointment to be constructed
with or without an additional argument for appointment duration, and force the duration to 30
minutes when no argument is supplied. The constructor does not allow any appointment over 240
minutes. The constructor calculates the appointment ending time based on the start time and the
duration. Also include a display function for the DentalAppointment class. Write a main()function
that loops at least three times, prompting the user for DentalAppointment data and displaying all
the information. (Note, if you use the Person class display function, the zip code will be “X”; this is acceptable.)

Note: We already made a file in notepad, ClassData.txt
So, am I going to use instream infile ofstream outfile? Thank you again
can you come up with some code , so we dont have to do it all for you ? At least give us the ClassData.txt content.
This is not a homework site. We're not going to write your code for you.

Make an effort to write some code. If you get stuck with errors, post your code and the text of the error messages.
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