def ticket_print():

    def data_retrieve():

        first_name = input("Enter your first name: ")

        last_name = input("Enter your last name: ")

        age = input("Enter your age: ")

        dest = input("Enter your destination: ")

        return first_name, last_name, age, dest

 

    def data_process():

        first_name, last_name, age, dest = data_retrieve()

        print("Name: " + first_name[0] + ". " + last_name + ", " + age)

        print("Destination: " + dest)

 

    data_process()

 

ticket_print()