Answer: Small talk
Step-by-step explanation:
According to the given question, Raleigh's job is to sells the various types of computer assisted designing services to the different types of engineering companies or an organization and he is using small talk as it is one of the type of important skill in the business for establishing a condition with the customer or users.
Small talk is one of the type of business strategy which we can use in our business to make customer more friendly and comfortable as it helps in building a trust with them in the workplace.
Therefore, Small talk is the correct answer.