Marginal wx...small light aircraft calls for start and taxi
"xxx TWR, G-ABCD request start and taxi for a local flight"
"G-ABCD start approved, are you going VFR?"
silence
"G-ABCD start approved, are you going VFR?"
silence
"GABCD START APPROVED, ARE YOU GOING VFR?"
pause
"xxxTWR, G-CD no sir, we are not going very far....."