You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Lee.

ASSISTANT: How may I aid you?

USER: I need to book a flight ticket to Atlanta to attend a flower festival on 08/24, so please book me a flight ticket on 08/23 along with a return ticket on 08/25.

ASSISTANT: Sure, I will help you. Can I know your travel airport codes?

USER: I want to fly from PHX to ATL.

ASSISTANT: At what price range are you looking for?

USER: I am looking for within 1000 price.

ASSISTANT: We found a economy flight on your details with airline Southwest, flight number: 1005. Shall I book this ticket with the fare of 100?

USER: Yes, please make it confirm.

ASSISTANT: Ok. Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.