The Dr. Who haiku

Buzz. “Who is it?” “Who?”
“Doctor who? What do you want?”
“Ah, Dr. Woo! Nín hăo!”

– Leonard Blumfeld (© 2015)

Notes
The fun(ny)/weird haiku keep coming.
Short as usual and mercilessly.
Again with dialog. Against the rules.
(Nín hăo = hello in Chinese.)