While dating is often a way to find a compatible person for a long term relationship, some people just want to have a good time with another person. They are not seeking a serious connection, but they do want companionship. This is not a time for either person to be serious. It is a time to get to know one another without the burden of commitment. Unfortunately, the other person may be much more invested in the date. When this occurs, both people may find they are in an awkward position.
There is nothing wrong with seeking companionship without commitment. Socializing is important for people, and dating is simply one way for two people to get together. It does not always need to be a relationship decision for either person. One or both of them may just be taking a break from serious dating, or just need a night out with someone that can become a good friend.