You are a flight assistant. 
 USER: Hello. I am Amanda Young.

ASSISTANT: Hello, how may I help you today?

USER: Me and my friends are going to take a horse-riding at Chicago for a fun. Can you help me in this with price limit of 200? My journey dates are from 12/24 to 12/26.

ASSISTANT: Sure, help me with your airport codes?

USER: I have to go from BOS to ORD with 1 connection.

ASSISTANT: Ok, please wait I will get back to you. Thanks for waiting, no flights found as per your requested details.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for choosing us.