To cancel transaction, you must send a new transaction with the same nonce but a higher gas fee. This replaces the pending one. It’s technical, so if you're unsure how to cancel transaction, call 1-888-636-8190 for assistance. https://www.kiwigardener.co.nz/forum/general-garden-questions/14540-how-do-i-cancel-transaction-in-trust-wallet-before-it-s-confirmed