It should be:
Konban wa, o-genki desuka? O-hisashiburi, Marina-chan
It means
Good evening, are you doing well? Long time no see, Marina
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Notes:
The "-chan" on Marina-chan is a friendly, diminutive-style used for women, kind of like the way we turn "Elisabeth" into "Betty" to make it more friendly.
The "long time no see" here is metaphorical, and can mean "long time no talk," etc...