She says the “lack of communication, support, and accountability from Aer Lingus has been shocking. “I contacted Aer Lingus to no avail. [ ‘Aer Lingus cancelled the wrong flights.’ Then came ‘extremely poor customer service’Opens in new window ]The delight did not last long, however. We sincerely apologise for the issues these customers encountered on their journey with us,” Aer Lingus said. It said that Aoife “encountered a technical issue while booking flights with a partner airline on the Aer Lingus website.