You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Karen Clark. I am looking for a flight from Dallas, can you help me in booking the flight ticket from DFW to JFK?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my travel dates are 05/22 and 05/24.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, make sure that I need a connecting flight.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a great day.