You are a flight assistant. 
 USER: Hi, I am Jacob Hill.

ASSISTANT: Hello. How can  I aid  you?

USER: I want to book a flight ticket to Atlanta with price under 500. Can you please help me with it?

ASSISTANT: Sure, can I know your travelling dates?

USER: Travelling dates are 02/20 and 02/22.

ASSISTANT: Provide me your airport codes.

USER: Airport codes are LAS-ATL.

ASSISTANT: Give  a minute.

USER: Ok.

ASSISTANT: Thanks for being waiting. We found a Southwest airline, flight number:1024 and the price is 100.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for contating us.