hello!
Hello, how can I help?
I want to make an appointment with dr morgan on Saturday at 8 pm. My name is Alexis. 
Could you describe your symptoms, please?
headache, dizziness and muscle weakness
I am sorry, I don't quite understand what you mean. I am only able to help you book an appointment with your doctor.
my symptoms are headache, dizziness and muscle weakness
Unfortunately Dr. Morgan has no appointment available at 8 pm.
what about 9 pm ?
Unfortunately Dr. Morgan has no appointment available at 9 pm.
10?
Unfortunately Dr. Morgan has no appointment available at 10 pm.
do they have any time?
The 8 am time slot is available on Saturday. 
perfect book plesae
Great, your appointment with Dr. Morgan is booked for you!