Hi I would like the weather for Pittsburgh
For what day would you like the weather forecast?
Today please
It will be Partly Cloudy all day on Monday in Pittsburgh, with temperatures of around -4 degrees celsius.
Oh it is going to be cold!   I need to find a flight 
For what location would you like the weather forecast?
I need to find a flight to Pittsburgh please
For what day would you like the weather forecast?
I need to search for a flight from New York to Pittsburgh
Right, I found a First flight with American for 455 credits
 that takes 5 hours to get to Pittsburgh.
have you ever been to Pittsburgh?  I am going for work can't wait to eat a Primanti Sandwich!
I am sorry, I don't quite understand what you mean. I am only able to help you search for flights.
can you book the flight for me please!
Flight id
I would like to book a flight from NYC to Pittsburgh
The flight is available. Should I reserve it for you?
yes
Right, your flight is now reserved!
thank you 
Thank you and goodbye.