Dating is a lot of fun but maybe stressful also. Though other people may stick to having serious relationships after some dates, dating is more likely the slow process of learning the ideas and characteristics of a certain person. But, it is very essential to know how to appropriately converse during the most important dates.
Always crack something to laugh about. Don't make the date too serious because the scene may get really boring. Humor is necessary to avoid any uncomfortable situation and stressful instances. This will create a good foundation that the person you are with is a good company.
Share others choices of hobbies, interest and other things. In this way, you will be able to learn the likes and dislikes of your date. You might get interested in some ideas that your date enjoys and might want to try out these stuff in the future.
Dating should be fun and the conversation should be light. You don't have to be too serious about it because this phase is just a getting to know situation. You are not trying to go somewhere else just for the first date. If ever you find the person to eventually be in serious relationship with you, then that is the time where you may be comfortable enough to talk on some serious matters with each other.
Things in common would help build a strong foundation. Similar interests or hobbies would make it lighter to handle situations or conversations during dating and from there you may go a long way.