Help! I just got my first match and don't know what to do

So I just got my first match and I'm lost. I don't know how to open the conversation. I suck at conversations with people I don't know. I'm a huge introvert and don't feel comfortable talking to people at first.

I'm thinking of a corny joke. One of the ones I'm thinking of is Why does Trump want to ban the sale of pre shredded cheese?

Is that to bad? She doesn't have much in her profile. Just a comment from pitch perfect I think.

If she even responds any tips to carry the conversation?

I'm probably just over thinking this whole thing. But any tips?