Trust by design, or the agent backfires
An agent that hallucinates your pricing or over-promises your scope is worse than no agent at all. A missing form costs you a lead; a lying agent costs you trust, and trust is the thing the whole conversion depends on. So before you celebrate the speed and the routing, you have to build the guardrails that make the agent safe to put in front of a real buyer.
The specific danger is invention. A large language model wants to be helpful, and an unbounded one will happily quote a price you never set, promise a feature you do not have, or scope a project you would never take. Every one of those is a future conversation that opens with the buyer feeling misled, which is the opposite of what the agent is for. The agent's job is to qualify and route, not to improvise commitments on your behalf.
The fix is to give the agent a fixed fact base and forbid it from going beyond it. Ground it in your real pricing, your real scope, your real FAQ, retrieved from a source you control, and instruct it plainly to answer only from what it knows. When it hits the edge of its knowledge, it does the single most trust-building thing an agent can do: it says it does not know and offers a human. That explicit handoff fallback is not a weakness, it is the feature that makes the buyer believe everything the agent did say. An honest "let me get you a person for that" earns more trust than a confident wrong answer ever could. Where the fact base touches money, lean on a real source of truth, how to price a productized service is where that pricing should come from in the first place.
Be transparent that it is an agent, every time. The trust comes from the agent behaving well, not from pretending to be human and getting caught. And log every transcript, because the log is what makes the agent a system you can improve rather than a black box you have to hope about. Every conversation it has is data you can review, and reviewing it is how you find the script's weak points before they cost you a deal.
Hold the whole thing to one standard: behave like a good sales rep, not a casino pop-up. A good rep is fast, scoped to the moment, honest about what they know, and willing to point you elsewhere if you are the wrong fit. A pop-up is loud, indiscriminate, and only ever wants the conversion. Build for the former. The conversion only matters if it is durable, and durability comes from the buyer trusting the conversation that produced it.