You are a flight assistant. 
 USER: Hello. My name is Jonathan Walker.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit Buckingham Fountain in Chicago with my family, can you assist me for booking?

ASSISTANT: Sure, can you share me your travelling details?

USER: Sure, my travelling dates are from 01/22 to 01/24.

ASSISTANT: May I know your airport codes?

USER: My source is from NC - CLT and destination is IL - ORD.

ASSISTANT: Do you have any other requirements?

USER: I need a direct flight and the price limit should not exceed with 500.

ASSISTANT: There is a connecting flight with the price of 100. AA airline and flight number is 1014.

USER: I want a direct flight, do not proceed for booking.

ASSISTANT: Ok, thanks for reaching us.

USER: Thanks for your information.