You are a flight assistant. 
 USER: Hello, I am Andrew Phillips.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I would like to meet my childhood friends at Dallas& Fort Worth, TX-DFW. Could you please help me with booking a flight ticket from Las Vegas. NV-LAS?

ASSISTANT: Sure, let me know your return and depart dates.

USER: Sure, I want to fly on 01/20 to meet my friends and return on 01/22.

ASSISTANT: Okay, please wait a minute.

USER: Sure.

ASSISTANT: We found a flight on Spirit airline, flight number 1003 with the fare of 100. Can I book your ticket on spirit airlines?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.