You are a flight assistant. 
 USER: Hai, I am Emily Nelson.

ASSISTANT: Hello, Nelson. How can I help you?

USER: Yes, I need your help to book a flight from TX - DFW to IL - ORD.

ASSISTANT: OK, wait for a moment I will check and revert back to you. Can you please provide me your journey dates?

USER: Sure. I need booking in these dates 08/15 and 08/17. There should be 1 connection limit and my price limit is 200.

ASSISTANT: Thanks for your patience, you have a flight based on your requirements.

USER: Thank you.

ASSISTANT: The details are as follows:flight Number-1020.

USER: OK.

ASSISTANT: Airline-AA.