Provide the theme summaries for the following conversation: 

Barbara: Are you departing tomorrow? What time is your flight?
Karen: 2 35 pm😭
Barbara: You are going to Canada, right?😐
Karen: Yeah. Kinda scared to study and work there alone.┐('～`；)┌
Barbara: You have been doing everything well. 😊😊
Barbara: Worry not. I know you would be okay.
Karen: We should have met before I go.😭😭😭
Barbara: Yeah..But you are coming this summer. 
Barbara: We can meet then.😁😁
Karen: Of course. You know we haven’t met that often. Only once or twice a year. But it feels like we get farther than now.
Barbara: I feel the same. But what an amazing world now!
Barbara: We can keep in touch with kakaotalk anytime we want. 
Karen: That’s true. 👼👼
Barbara: Send me some nice pics whenever you find some awesome places. <丶´Д｀>

Summary: 
Karen is flying to Canada at 2:35 pm tomorrow and is apprehensive about her being alone there to study and work. Barbara is confident that she will manage all right and suggests they keep in touch via kakaotalk. The women have met only rarely so far but they declare their mutual rapport.