Hi! My name is JOhn , can you hlep me find a flight from CHicago to Pittsburgh today?
Right, I found an Economy flight with American for 316 credits
 that takes 2 hours to get to Pittsburgh.
Can you firsst check the weather today in Chicago ? I want to make sure its going to be able to take off!
It will be Snowing all day on Thursday in Chicago, with temperatures of around 22 degrees celsius.
oh wow, i hope my flight can still leave!
The flight is available. Should I reserve it for you?
have you ever been to chicago?
I am sorry, I don't quite understand what you mean. I am only able to help you reserve a flight.
Plsae reserve the flight 
I'm sorry, but your reservation request was unsuccessful.
ugh can we find a different flight/
Right, I found a First flight with United for 424 credits
 that takes 8 hours to get to Pittsburgh.
Please book!!
I'm sorry, but your reservation request was unsuccessful.
I don't know what to do! Can you try id 319?
Right, your flight is now reserved!
thank you!
Is there anything else that I can do for you?
I think that's all
Thank you and goodbye.