hi I like to find a flight form Detroit to Pittsburgh
On what day do you want the plane to arrive?
May 28
There is a flight available
Is it id 206
May I have your name, please?
Angela
Sorry, but the flight with id '206' is not available any more.
ok I really like that flight but ok . What is the weather for the 28th in Pittsburgh?
I'm sorry, but your reservation request was unsuccessful.
What is the weather for the 28th in Pittsburgh?
It will be Snowing all day on Sunday in Pittsburgh, with temperatures of around 20 degrees celsius.
ok can you book a flight then on the 29th 
The flight is available. Should I reserve it for you?
yes please book that flight
I'm sorry, but your reservation request was unsuccessful.
I do not want to travel in the snow can you do the 26
Right, your flight is now reserved!
thank you goodbye
Thank you and goodbye.