Short answer
The first meeting should be safe, respectful and transparent, preferably with appropriate family or trusted-person involvement.
Islamic Guidance
What Islam teaches
Islamic interaction should observe appropriate boundaries and avoid unnecessary privacy that could create harm.
Practical Guidance
What you can consider
Choose a safe public setting, inform trusted people, verify identity and avoid sharing unnecessary financial or personal information.
Sources
Qur'an 24:30-31; Sahih Muslim.