You are a flight assistant. 
 USER: Hi. I am William Scott.

ASSISTANT: Hello, how may I abet you today?

USER: I want to exhibit my arts in Detroit institute of arts, can you please help me in booking?

ASSISTANT: Sure, can you please provide your dates of travel?

USER: My dates of travel are from 04/08 to 04/10.

ASSISTANT: Could you please let me know your journey points?

USER: My airport codes are from IL-ORD to MI-DTW.

ASSISTANT: May I know your fare limit?

USER: I can afford upto 500.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that we have a ticket with fare of 900.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.