Lunch is usually best for getting to know a guest a bit(good).
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Afternoon tea or coffee is a relaxed way to spend 45 minutes or an hour(talk) about business.
You should talk about your company confidently and appear pleasant and(relax).
After all, you are trying to have a conversation with your guest, not(concentrate) on which fork to use.
By (master) these skills, you become a better representative of your company.