When meeting potential customers at your next trade show, remember the 80/20 Rule of Communication. Listen to prospects 80% of the time and speak for 20% . It is important to allow prospects to open up and start talking about there product/services needs.
Here are some open-end questions to get the dialogue going:
“What about the exhibit caught your eye?”
“Hello, what are you looking for?”
“Tell me more about your business….”
“What type of clients do you have and/or serve?”