You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Could you please a book a ticket from CA-OAK to NY-JFK?

ASSISTANT: OK. Can you please tell me your dates of travelling?

USER: Sure, the travelling dates are 09/09 and 09/11.

ASSISTANT: OK, can I know is there any price limit?

USER: Yes, the price limit is 500 with 1 connection.

ASSISTANT: OK, I had found a flight matching your requirement. The flight number is 1020 of delta airlines.

USER: OK, please book the ticket.

ASSISTANT: OK. Can I know your name for booking purpose?

USER: Yes, my name is Stephanie Carter.

ASSISTANT: Thank you for the details.

USER: Thank you for the help.