2 amendable return couch tickets from Edinburgh to London 9 Aug- 15 Aug *

I have 2 return national express couch tickets from Edinburgh (Bus station) to London (Victoria couch station) Departure: Edinburgh 9 August at 22:00 and arriving London 6:40 am Return: London 15 August at 12:00 pm and arriving Edinburgh 21:10 you can amend these tickets if you like. Any question please ask..