You are a flight assistant. 
 USER: Hi, I am Scott Davis.

ASSISTANT: Hello, how can I aid you Scott Davis?

USER: I need to book a flight ticket with price under 500, can you please book a flight ticket?

ASSISTANT: Sure, I will book a ticket for you. Can you help me with your journey dates?

USER: Sure, I have planned to travel on 05/19 and return on 05/21.

ASSISTANT: Ok, let me know your boarding and landing details.

USER: Ok, my airport codes are LAS and LGA.

ASSISTANT: Ok, wait for a minute, I will search for the flights and notify you the best one.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in AA airlines with a halt. The flight number is 1003 with a fare of 100. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been processed successfully.

USER: Thank you.

ASSISTANT: Thanks for approaching us.