CH3 vs anonymous outstation aunty

Yesterday i pick up a call in my office around 5.30pm. Here goes our conversation... >_<

Ch3: Hello.... Ch3's agency... may i help u??

*note: after this, the conversation is using cantonese, because she speaks cantonese*

aunty: ermmm... may i speak to Guai Ling????
Ch3: ermmm... don't have such person in here... i m sorry
aunty: but ... but she gave me this number wor....
Ch3: what phone number did she gave you???
aunty: 04-XXX0886
Ch3: sorry.... wrong number already.... here is 04-XXX0088
aunty: she said is 30th over floor's apartment in Penang.... here is Penang or not?
Ch3: yes... here is Penang but u dial the number wrongly... here is office... u can dial it again...
aunty: don't wan dy... so expensive the calling fee.... she gave me this number yet cannot reach... aih...
Ch3: I guess she gave u the correct number but u dial it wrongly....
aunty: don't want dy.. so expensive.... *close the phone*

=.="