to this:

From personal...

Received a letter, signature: Name and initials D.N.
Hm, D.N, D.N, D.N...
On the rise: Allo, Dmitry Nikolaevich? Hi to! Glad to hear you again...
I think there’s a lot of Nashrevanovich (((
I am...
A colleague Misha at work calls a client for the first time, worried, such a dialogue:
Hello Raphael, this is Michael.
I am Rafael.
Hey Raphael, this is Michael!