Answer:
<em>Doris:</em><em> Hey Grace, How are you?</em>
<em>Grace:</em><em> I am fine , how are you Doris?</em>
<em>Doris: </em><em>Am okay , am my teacher gave me a math exercise but i failed to complete it.</em>
<em>Grace: </em><em>Oh is that so, but don't worry i will come to your home tomorrow and help you out.</em>
<em>Doris: </em><em>Oh really, thank you so much i will be happy to see you.</em>
<em>Grace: </em><em>Okay dear, Stay safe , goodbye.</em>
<em>Doris: </em><em>Bye , thanks for your time.</em>