You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel to Atlanta to meet my childhood friend, can you help me with booking from Las Vegas with a direct flight?

ASSISTANT: Sure, I am here to help you. May I know on which dates you have planned to travel from Las Vegas?

USER: I want to fly on 06/17 and will return on 06/19.

ASSISTANT: Ok, could you please share your price limit?

USER: I need a ticket under price 500.

ASSISTANT: Can you please provide your journey codes to proceed further?

USER: Its from LAS to ATL.

ASSISTANT: Ok, may I know your name please?

USER: I am Ashley Walker.

ASSISTANT: Thank you, sorry no flights were found with your details.

USER: Ok, thank  you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.