Language fair

I’m training to be a coach through your school and already have my podcast devoted to my niche: French women who want to be fluent in English. In a couple of weeks’ time, a language fair will take place in Paris and I was thinking of going there and giving away my business card for 2 reasons:
1. to get more listeners for the podcast
2. to find free clients and practise on my target market until the end of my certification training, end of March
Here are my questions:
– should I only focus on one offer (the podcast or the free coaching)?
– how could I approach them? I was thinking of “do you want to feel comfortable speaking English?” or “free coaching”. I’m not sure how to catch their attention.
Thank you so much!