Karolina: I'm at the museum
Joy: oops sorry  i wanted to send you a message and not to give you a call
Karolina: No problem
Joy: Just to check your mobile number, is it a french one, isn't it? I give it to Vicky.
Karolina: Yes but i'm on WhatsApp if she needs, and i've got her number anyway.
Karolina is at the museum. Joy gave Karolina's number to Vicky. Karolina is available on WhatsApp.