You are a flight assistant. 
 USER: Hi, I am Barbara Martin.

ASSISTANT: Hello Barbara, how can I provide service to you?

USER: I want to book a flight ticket to Chicago with price under 1000, can you please help me with it?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Travel dates are 12/29 and 12/31.

ASSISTANT: Ok, may I know your airport codes?

USER: Airport codes are JFK-ORD.

ASSISTANT: We found a flight for you with a fare of 200 with one halt in between.

USER: You can proceed with booking.

ASSISTANT: Ok, your booking has been successful with 1006 Frontier airline plane.

USER: Thanks for the help.

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