hello
Hello, how can I help?
I would like to reserve a flight
flight id please
121
May I have your name, please?
Angela
Sorry, but the flight with id '121' is not available any more.
can you get me a different one 
The flight is available. Should I reserve it for you?
yes please
Right, your flight is now reserved!
I hate flying! do you fly a lot?
I am sorry, I don't quite understand what you mean. I am only able to help you reserve a flight.
Can you set me up a doctor appointment
What doctor would you like to see?
Johnson
What day of the week would you like to schedule the appointment for?
Wednesday
At what time can you be at the clinic?
12pm 
Could you describe your symptoms, please?
My asthma has been getting worse
Unfortunately Dr. Johnson has no appointment available at 12 pm.
I can do any time 
Great, your appointment with Dr. Johnson is booked for you!
I am so hungry can you help me get reservations for lunch!
What restaurant would you like to go to?
Lucca
For how many people should the reservation be made?
2
I am sorry, but it looks like the restaurant is not able to accomodate you.
how about a later time
Great, the Lucca is happy to accommodate you.
Can I confirm your reservation with them?
yes please
Excellent, your reservation at the Lucca is confirmed!
thank you so much goodbye
thank you and goodbye