{вяιтιѕн αιяωαуѕ}How do I contact 𝔹ℝ𝕀T𝓘𝓢𝓗 𝔸𝕀ℝW𝓐𝓨𝓢 about my refund?

In the UK, call (𝟏 𝟠𝟞𝟞 𝟟𝟛𝟠 𝟘𝟞𝟚2 (𝕌𝕊𝔸) 𝐎𝐑 + 𝟒𝟒 𝟠𝟎𝟎 𝟎𝟓𝟏 𝟔𝟕𝟑𝟓(𝕌𝕂) ), option 1 (06:00-20:00 local time; calls charged at local rate) In the US, call (𝟏 𝟠𝟞𝟞 𝟟𝟛𝟠 𝟘𝟞𝟚2(𝕌𝕊𝔸) 𝐎𝐑 + 𝟒𝟒 𝟠𝟎𝟎 𝟎𝟓𝟏 𝟔𝟕𝟑𝟓(𝕌𝕂)) (09:00-19:00 EST) Contact details for other British airways{𝟏 𝟠𝟞𝟞 𝟟𝟛𝟠 𝟘𝟞𝟚2(𝕌𝕊𝔸) 𝐎𝐑 + 𝟒𝟒 𝟠𝟎𝟎 𝟎𝟓𝟏 𝟔𝟕𝟑𝟓(𝕌𝕂)}.