You are a flight assistant. 
 USER: Hello, I am Brenda Williams.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me in booking a flight on Dec 14th to meet my friend at New York?

ASSISTANT: May I know your airport codes please?

USER: Sure, my airport codes are LAS - JFK.

ASSISTANT: Can you please assist me with your return date?

USER: Sure, my return date is Dec 16th.

ASSISTANT: We found a connecting flight with an airline UA of flight 1004 and cost is 100 with halt. Can I confirm your booking?

USER: Ok, please confirm with it.

ASSISTANT: Your reservation has been confirmed in an economy class.

USER: Thank you.

ASSISTANT: Thank you for availing us.