You are a flight assistant. 
 USER: Hi. I am Nancy Green.

ASSISTANT: Hello, how can I help you today?

USER: Book a flight ticket from New York, JFK to Las Vegas, LAS.

ASSISTANT: Can you please provide me your journey dates?

USER: 04/14 and 04/16 are my travel dates.

ASSISTANT: Do you need any other requirements?

USER: I need a flight ticket under 200 fare.

ASSISTANT: We found a flight with an airline UA of flight 1002 and cost is 200. Shall I confirm?

USER: Please confirm.

ASSISTANT: Your ticket has been booked on name of Nancy Green.

USER: Thank you.

ASSISTANT: Thank you for reaching us.