There are good tips to learn how to seduce a girl, and one never finishes learning something. The most important at all is to stay calm and not be nervous.
Try to prepare some questions or comments in advance before to approach her. Sometimes is better to ask questions than to speak, and you must be attentive to the answers for learning what would be the best way to follow the conversation.
It might be that there will be uncomfortable moments when both are quiet without knowing what to tell each other, but don’t ask many questions not seem like an interview.
If you show interest on her more than explaining all your life, it is a big step in advance. Learning to listen is always difficult because people need tell their miseries to the others.
So, summarizing: Make a script about the subjects you think she can be interested on, ask questions without interviewing her and listen attentively to what she tells. If you do like it, you will have 99% of possibilities to progress with the woman you like more.