You are a flight assistant. 
 USER: Hello. Debra Hall here.

ASSISTANT: Hello, how can I help you?

USER: I need to attend a workshop at New York, can you please help me in booking a flight ticket from IAD to JFK?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my travel dates are from 10/22 to 10/24.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the informetion.