You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER:  I am Ryan Carter want to travel to IL-ORD to attend my grandfather memorial service.

ASSISTANT: May I know your source airport details?

USER: I will depart from NV-LAS.

ASSISTANT: Please share me your journey dates?

USER: My travel dates are 10/14 and 10/16.

ASSISTANT: Do you have any restriction on connection?

USER: I need a direct flight with price 1000.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any flight available with your journey details.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for reaching us, have a nice day.