You are a flight assistant. 
 USER: Hello. I am Andrew Lewis.

ASSISTANT: Hello, what kind of help are you expecting from Cloud ML agent agency?

USER: I want to attend a live event in Chicago, could you please help me with booking a flight ticket?

ASSISTANT: Ok, on which dates you like to take off from your location?

USER: My planning dates are from 11/10 to 11/12.

ASSISTANT: Ok, may I know your current location airport code with your destination airport code?

USER: I want you to book a ticket for me from my location DCA to ORD.

ASSISTANT: Ok, thank you for providing your trip details. Please wait a while, I'll get back to you very soon with your flight details.

USER: I want a flight with 1 connection, so that I can meet my friend in the middle of my journey.

ASSISTANT: Sorry, there is no flight as per your details.

USER: That's bad. Anyway, thank you for your immediate response.

ASSISTANT: Most welcome.