Nga: Can I ……speak……to Hoa, please?
Hoa: I’m speaking. Who is that?
Nga: I am Nga. Are you free …on…Saturday?
Hoa Yes.
Nga: ……Would……you like to come to my house and have dinner with me?
Hoa: I am afraid I can’t. I have to…do……my homework.
Nga: Can I speak to Hoa, please?
Hoa: I’m speaking. Who is that?
Nga: I am Nga. Are you free on Saturday?
Hoa Yes.
Nga: Would you like to come to my house and have dinner with me?
Hoa: I am afraid I can’t. I have to do my homework.