You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Karen Perez.

ASSISTANT: How can I assist you?

USER: I would like to meet my friend in Chicago. Can you please help me in booking a flight ticket from JFK to ORD?

ASSISTANT: Sure Karen, can I know the travel dates please?

USER: I want to start my journey on 08/01 and return back on 08/03.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait for your response. That's ok for me, please proceed with that ticket booking.

ASSISTANT: Sorry to say that, there are no flights found on your dates.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for approaching us.