Hello, what is the weather in Los Angeles?
For what day would you like the weather forecast?
Tuesday
It will be Snowing all day on Tuesday in Los Angeles, with temperatures of around 11 degrees celsius.
That's good to know. I'd like to book a flight from Detroit to Los Angeles
On what day do you want the plane to arrive?
Tuesday
I have found a flight from Detroit to Los Angeles. The price is 304 at 5am. It will take 2 hours to reach your destination.
Make sure my flight is first class. 
Unfortunately there are no flights that match your search. Would you like to change any of your criteria?
What about on Wednesday?
Right, I found a First flight with United for 255 credits
 that takes 8 hours to get to Los Angeles.
Great book that for me.
Can I have your name and Id please?
My name is Mark
Right, your flight is now reserved!
Ok great, can't wait to head to LA and eat some nice korean barbecue
Is there anything else that I can do for you?
That's all, good bye,
Thank you and goodbye.