Well, her first travel experience might be full of excitement. Maybe she went to a beautiful beach. She could have been amazed by the vast ocean, the soft sand between her toes and the warm sun on her skin.
The first meeting between my best friend and my sister was quite interesting. My sister was a bit reserved. However, my best friend made an effort to break the ice. She complimented my sister's dress. This led to a conversation about fashion. They then found out they both liked a certain designer. It was a great start to their relationship.
It's also possible that there are more than two main characters. There could be family members who play important roles in the story. For example, a strict father who tries to control the future of the main characters, or a loving mother who provides support. And there might be a male character who creates some sort of love triangle or friendship triangle among the main group, adding more drama and complexity to the relationships in 'My Brilliant Friend The Story'.