请帮我编个英语对话用 what's the trouble / what's the matter with you /

Doctor(D):What's the trouble with you?
Patient(P):I've got a pain in my throat.
D:Have you take your temperature?
P:Yes,and it is 37 °C.
D:Well,open your mouth and let me have a look.
It is nothing seriours.You haven't got a fever.
But you should take the medicine and need have more rest recently.
When you feel well,you could take more exercises,or play sports like basketball,running,swimming.And eating heathy food,having more fruits and vegetable and drinking milk are good for your heath.
P:yes,i see.thanks a lot.

Mary:Hello! Bob.
Bob:Hi! Mary.
Mary:You like tired .What's the matter with you ?
Bob:I had a headache.
Mary:Let's go to see a doctor .
Doctor:You caught a cold,but it's nothing ser...

我没用你的句子唉.
A(doctor): Hi. Come on in and have a seat.
Now what seems to be the problem?
B(patient): I have a rash on my arm.(rash皮疹 )
A: How long have you had the rash?
B: It...