/// <summary>
        /// Searches for reservation of <paramref name="person"/>.
        /// </summary>
        /// <param name="person"></param>
        private void SearchAndWriteData(PersonInfo person)
        {
            Reservations = Person.GetAllReservationsForPerson().ToList();

            var sb = new StringBuilder();

            sb.AppendLine($"Email: {Person.Email}");
            sb.AppendLine($"Name: {Person.FirstName} {person.LastName}");
            sb.AppendLine($"Date of birth: {Person.DateOfBirth:dd.MM.yyyy}");
            sb.AppendLine("Reservations:");

            Reservations.ForEach(reservation => AppendReservation(ref sb, reservation));

            dataTextBox.Text = sb.ToString();
        }