You can call a British Airlines compliant phone number at +1 802 538 7042 and talk about your questions to get the option to reschedule your flight or get a refund request. You can start tracking your complaint to British Airways and escalate your complaint by sharing your queries and getting the answer from a live person who always happily helps you immediately. https://www.flykhalifa.com/blog/escalate-a-complaint-against-british-airways