You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a ticket to attend a meeting at ORD. Can you please help me out from JFK?

ASSISTANT: Sure, I can help you and may I know your planned travel dates?

USER: I would like to travel on July 14 and return back onJuly 16.

ASSISTANT: Can I know your name please?

USER: My name is Gregory Evans.

ASSISTANT: Do you have any connection preference?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Sorry, there is no flight obtained on your travel dates to book a flight ticket.

USER: That's fine, thank you for your service.

ASSISTANT: You are most welcome and have a nice day.