LONDON (Reuters) – A parcel delivery firm in Britain has disabled the artificial intelligence (AI) function in its online chat systems after a frustrated user coaxed the system into composing a poem about how bad the company’s customer service was. “There was once a chatbot named DPD, Who was useless at providing help,” the bot wrote after Ashley Beauchamp gave up trying to get it to share a phone number for customer services and asked it to write a poem about bad chatbot service instead. “DPD was a waste of time, And a customer’s worst nightmare,” the bot continued before concluding: “One day…