flutter of excitement

I felt a flutter.

私はときめきを感じました

I felt a flutter at meeting new people.

私は新しい出会いにときめきを感じました

I felt a flutter at meeting new people in the classroom.

私は教室で新しい出会いにときめきを感じました

I felt a flutter at meeting new people in the classroom this morning.

私は今朝教室で新しい出会いにときめきを感じました

I felt a flutter at meeting new people in the classroom with my friend this morning.

私は友達と今朝教室で新しい出会いにときめきを感じました