You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jessica Scott. Can you please help me in searching a direct flight for me?

ASSISTANT: Sure, I am here to help you. Can you please let me know your travel dates?

USER: My travelling dates are Feb 22 and Feb 24.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: My source and destination airport codes are ORD to EWR?

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure.

ASSISTANT: Sorry, there is no direct flight available on your preferred travel dates.

USER: Ok, fine thank you for checking.

ASSISTANT: You are welcome and thank you for choosing us.