COMPLETED_Input_Looping_if_str.func

while True:
    first_name = input("What is your first name? ")
    last_name = input("What is your last name? ")
    age = input("What is your age? ")
    while True:
        status = input("Have you been here before?")
        if status.lower() == "yes":
            print("Thank you have a seat")
            exit()
        elif status.lower() == "no":
            print("Please fill out New Patient Form")
            break
        else:
            print("Yes or No answer only")

    date_of_birth = input("What is your Date of Birth? (DD/MM/YYYY): ")
    address = input("What is your current residential address?: ")

    print("***Are these details correct?***")
    print("Name: ", first_name, last_name)
    print("Age: ", age)
    print("Date of Birth: ", date_of_birth)
    print("Address: ", address)
    while True:
        answer = input("Yes/No?: ")
        if answer.lower() == "no":
            break
        elif answer.lower() == "yes":
            print("Thank you. A doctor will be with you shortly.")
            exit()
        else:
            print("Yes or No answers only.")
        continue