Most Helpful Girl
Make the topics light. Ask the girl's friends her interest or if you know them already talk about it more esp if you have similar experience about something (like a place both of you had visited can be a start, not necessarily you went together) or you can also ask her suggestion about something and exchange ideas. Make her laugh more importantly, also smile often in your part. Smile alone makes the mood lighter.
I had experienced that before when suddenly we were both left alone and it started to be awkward. He initiated to talk to me then i found out that we have some common interests. After some time, we got along really well.0THIS IS NOT RELEVANT ANYMORE