Perform salah five times regularly. After Isha salah recite Ya Latif (يالطيف) 1111 times with durood 11-11 times before and after. Do not talk to her openly and frankly until your nikah is solemnized because she is stranger for you and it is unlawful to develop such types of relationship with stranger.
Allah (Subhana Wa Ta’ala) knows Best
Darul Uloom Deoband