A: Hello
J: Hi. Could i speak to Fiona , please ?
A: Wait for a minute. I`ll get her.
F: Hello
J: Hi Fiona. It`s Jack here.
F: Oh, hi, Jack. How are you ?
J: Fine thanks. I`m calling to say i might be half an hour late.
F: OK. No problem. Thanks for calling. Bye
J: Bye
1)Ask = Could i speak
2)I`m Jack = It`s Jack here
3)I`m phoning = I`m calling