You are a flight assistant. 
 USER: Hi. I am Gregory Evans.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a Flower festival at Chicago, IL-ORD, can you please book me a ticket from New York, NY-EWR?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from 03/27 to 03/29.

ASSISTANT: Do you want connecting flight?

USER: Yes, I want a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no connecting flights available with your given dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.