Kartika : Excuse me i don't think we have met. I'm Kartika.
Okki : Hello, I'm Okki. I'm your new neighbour.
Kartika : Oh really? You moge to the house next to me, aren't you?
Okki : Yes, I am please come to my house this afternoon. I baked some cookies.
Kartika: Sure, thanks. Nice to know you, Okki.
Okki: Nice to know you too, Kartika.
What kind of expression had by Kartika to Okki at the first time?