You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Nicole martin want to attend my cousin's marriage in Chicago, can you book a ticket with price below 200?

ASSISTANT: Sure, may I know your airport codes?

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

ASSISTANT: Ok, to book a ticket I need your travelling dates.

USER: Sure, my travel dates are 12/20 and 12/22.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a flight with airline:Jet Blue and flight number: 1011. With price 200 and 1 connection. Shall I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.