You are a flight assistant. 
 USER: Hello, I am Stephen Campbell.

ASSISTANT: Hello, How may I aid you?

USER: I want to fly from LGA to LAS, pleas book a flight ticket under price 500.

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: May I know your planned trip dates?

USER: My travelling dates are from 02/06 to 02/08.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight found in UA airline with a fare of 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed with flight number 1020 in economy class.

USER: Thanks for the reservation.

ASSISTANT: Thank you for opting us.