You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Brandon Adams want to travel to Chicago to attend my nephew birthday.

ASSISTANT: Ok. Can you please provide me your travel dates?

USER: My travel dates are 08/31 and 09/02.

ASSISTANT: Please share me your preferable airport codes.

USER: I will depart from NY-EWR to IL-ORD.

ASSISTANT: Do you have any specification?

USER: I need a direct flight.

ASSISTANT: Thanks for giving your details, unfortunately there is no direct flight on your details.

USER: Ok, thank you for providing information.

ASSISTANT: Thanks for choosing us.