" What is the nearest airport to {location}? Please respond with the "
            " airport's International Air Transport Association (IATA) Location "
            ' Identifier in the following JSON format. JSON: "iataCode": "IATA '
            ' Location Identifier" '
        )
        llm = ChatOpenAI(temperature=0)
        llm_chain = LLMChain.from_string(llm=llm, template=template)
        output = llm_chain.run(location=location)
        return output