You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a flight ticket to meet my friend.

ASSISTANT: Sure, could you please provide your details?

USER: I need to travel from Chicago, IL - ORD  on 03/16 to Washington DC-IAD on 03/18.

ASSISTANT: OK, do you have any preference connections and price limit?

USER: Yes,  Make sure that my connection limit should be 1 and the price is 1000.

ASSISTANT: Sure, can I have your name?

USER: My name is Kevin Carter.

ASSISTANT: OK, please wait a moment, let me check and revert to you.

USER: OK,.

ASSISTANT: Sorry, unfortunately we did not find any flight on that day.

USER: OK, Thank you for your information.

ASSISTANT: Most welcome, thanks for contacting us.