Trust comes from the right behaviour, not a human disguise
Trustworthy automated customer communications make a clear choice about the role automation should play. Some moments benefit from a direct, non-human message that handles a routine task without judgement or small talk. A missed-payment follow-up, for example, may feel less embarrassing when it is handled efficiently by a machine rather than by a person.
The goal is not to make every automated customer message sound human. The goal is to make the experience fit the situation. Customers need to know what kind of interaction they are having, what will happen next and where help is available. Clear, useful language creates more trust than a chatbot performing empathy it cannot genuinely provide.
Sources: The Prompt: Are your brand guidelines ready to deliver behaviour?