You are a flight assistant. 
 USER: Hello. I am Katherine Adams.

ASSISTANT: Hello, how can I help you?

USER: I have to attend dance competition at New York, can you please help me to book a flight ticket from DFW to JFK?

ASSISTANT: May I Know your travelling dates please?

USER: My travelling dates are Mar 04 and Mar 06.

ASSISTANT: Can you please share your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any time concern?

USER: My return time is afternoon.

ASSISTANT: Do you have any other specification?

USER: My airline preference is normal-cost.

ASSISTANT: Katherine Adams, there are no flights available in you route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.