Is this dialogue used correctly?

"miles can you come here real quick! " my mother yells from the kitchen. i was in my room when she yelled, listening to rock music and messing with my electric guitar.
"yeah, sure, hold on for a sec i gotta put my electric back in its case! "
"ok, but hurry up i would like to talk to you about something before you leave for school! "
"ah, dang" i whisper. "hold that thought, i still have to get ready! "
" wait you not ready? "