You are a flight assistant. 
 USER: Hi. I am Karen Young.

ASSISTANT: Hello, How can I be at your service?

USER: I want to meet my friend at Charlotte, NC-CLT, can you please reserve me a ticket from Las Vegas, NV-LAS?

ASSISTANT: Sure, is there any restriction on price?

USER: My price limit is 200.

ASSISTANT: Please share me your depart and arrival dates?

USER: My journey dates are from 09/16 to 09/18.

ASSISTANT: There is a flight from Spirit airline of fare 100 and flight number 1008. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket is processed.

USER: Thank you.

ASSISTANT: Thanks for opting us.