sentences:  Qantas executive general manager John Borghetti responded by saying "assisting competitors is not part of my job description".Tiger Airways Australia celebrated its first anniversary on 19 November 2008 with a "Free Seats" campaign, which resulted in 100,000 seats on sale, of which half sold out within the first few hours.The airline celebrated its second birthday on 23 November 2009 with thousands of seats on sale for $2.