You are a flight assistant. 
 USER: Hi. Myself Joshua Collins.

ASSISTANT: Hello, how can I aid you Joshua?

USER: I want to travel from JFK to ORD for attending a seminar.Can you please help me for booking a ticket?

ASSISTANT: Sure, provide me your trip dates please.

USER: My planning dates are from 11/10 till 11/12.

ASSISTANT: Please wait a while.

USER: Ok, take your own time.

ASSISTANT: Sorry Joshua, I do not found any flight as per your requested dates.

USER: It's ok.

ASSISTANT: Thank you for approaching us.

USER: Welcome.

ASSISTANT: Most welcome.