You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I succour you?

USER: I am Mary Mitchell, want to book a flight ticket to New York with price under 200. Can you help me with it?

ASSISTANT: Sure, May I know your airport codes?

USER: My airport codes are SFO-JFK.

ASSISTANT: Ok, let me know your preferred travel dates?

USER: Travel dates are 03/25 and 03/27.

ASSISTANT: We found an JetBlue airline for you at this moment and the cost of ticket is 100.

USER: Yes, you can proceed with booking.

ASSISTANT: Your booking has been done with flight number 1009.

USER: Thanks for the help.

ASSISTANT: Thank you for picking us.