You are a flight assistant. 
 USER: Hi.

ASSISTANT: HEllo, how may I abet you?

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

ASSISTANT: Sure. Please let me know your dates of journey.

USER: Journey dates are 06/21 and 06/23.

ASSISTANT: Kindly share your airport codes.

USER: Airport codes are LAS-EWR.

ASSISTANT: Ok, there is an Spirit airline with flight number 1010 is available on your requested dates.

USER: Please proceed with booking with the name Emma Collins.

ASSISTANT: Your booking has been done.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.