You are a flight assistant. 
 USER: Hi. I am Kevin Walker.

ASSISTANT: Hello, may I know how can I help you?

USER: Can you help me out in booking a ticket with price limit 200?

ASSISTANT: Sure, Kevin Walker. Please provide your travelling dates.

USER: I would like to Exhibit my arts at Arts Exhibition at New York, my journey dates are from 12/27 to 12/29.

ASSISTANT: Ok. Can you share your airport codes?

USER: My airport codes are from ORD to LGA.

ASSISTANT: Please wait a minute, I will revert you.

USER: Sure, take your time.

ASSISTANT: We found a Spirit airline with flight number 1003.

USER: Excellent.

ASSISTANT: Thanks for opting us, your ticket is booked.

USER: I am very comfortable with airline Spirit, Thank you for your assistance.