You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I know your name please?

USER: My name is Jonathan Brown.

ASSISTANT: How can I serve you today?

USER: We are planning to attend New York on our vacation, can you help me to book a ticket with price under 200?

ASSISTANT: Sure, could you provide me your airport codes?

USER: Yes, I would like to travel from OAK to JFK.

ASSISTANT: Kindly mention your travel dates?

USER: Sure, my travel dates are 04/22 and 04/24.

ASSISTANT: Ok, we found a flight with your requirement price is 100.

USER: Ok, proceed with my booking.

ASSISTANT: Your booking is confirmed with Delta airline and flight number is 1009.

USER: Thank you.

ASSISTANT: Thanks for choosing us, have a great day.