Help, I need your help getting me a flight from pittsburgh to chicago
Where are you departing from?
pittsburgh
Where are you going to?
Chicago
On what day do you want the plane to arrive?
Sunday
I need the date of departure please. 
tomorrow
Right, I found an Economy flight with American for 257 credits
 that takes 7 hours to get to Chicago.
do they still give out peanuts?
I am sorry, I don't quite understand what you mean. I am only able to help you search for flights.
ok, what is the weather going to be like in chicago?
For what day would you like the weather forecast?
sunday 
It will be Sunny all day on Sunday in Chicago, with temperatures of around 13 degrees celsius.
perfect please book that flight then
May I have your name, please?
Alina
Sorry, but the flight with id '913' is not available any more.
can you try again, sometimes they open back up
The flight is still unavailable, sorry
ok can you find me another please
I can book you a flight on the 29th\
ok perfect, please book that
Right, your flight is now reserved!
perfect
Is there anything else that I can do for you?
thats it, so thank you
Thank you and goodbye.