Final answer:
A guest service professional can learn about a guest's service familiarity by engaging in dialogue with the guest and asking open-ended questions, accompanied by active listening to the guest's responses.
Step-by-step explanation:
A guest service professional can find out what type of services a guest is familiar with by engaging in a friendly and professional dialogue with the guest. They can ask open-ended questions to understand the guest's previous experiences and expectations. For instance, questions such as “What types of services have you enjoyed in the past at similar facilities?” or “Are there certain amenities or services that are particularly important to you?” can provide insights into the guest's preferences and service familiarity. It is also beneficial to listen actively to the guest’s responses, taking note of any specific details or preferences they mention.