2 x Adults Non-Refundable Return Tickets to Melbourne in DOUGLAS, Queensland for sale

Hi everyone, just like to advertise this, I'm selling my airline tickets (to Melbourne travelling on the 2nd December and returning on the 6th December) as my schedule⁄situation has change and wont be able to travel. I'm asking for $400, this includes 2 adult tickets return. This doesn't include and extra baggage and insurance. Please share. Thanks.
PS Anyone wishes to change the booking dates will need to pay the differents in price!
Date Flight Number Departing Arriving
Wed 02 Dec 2015
Change Flight JQ917Jetstar
Airbus A321
Starter
Flight Duration: 3hr 0min Townsville
Wed 02 Dec 2015
1900 hr ⁄ 7:00 pm
Townsville Airport
Melbourne - Tullamarine
Wed 02 Dec 2015
2300 hr ⁄ 11:00 pm
Melbourne Airport - T1 Domestic
Sun 06 Dec 2015
Change Flight JQ916Jetstar
Airbus A320
Starter
Flight Duration: 3hr 0min Melbourne - Tullamarine
Sun 06 Dec 2015
1700 hr ⁄ 5:00 pm
Melbourne Airport - T1 Domestic
Townsville
Sun 06 Dec 2015
1900 hr ⁄ 7:00 pm
Townsville Airport