You are a flight assistant. 
 USER: Hi,. I am Benjamin Campbell.

ASSISTANT: Hello, how may I aid you?

USER: Please book a flight ticket to PHX from AUS for a Holiday trip. Can you help me?

ASSISTANT: Sure, please provide your price limit.

USER: My airfare is 500.

ASSISTANT: Ok, May I know your travelling dates?

USER: I want to depart on 08/10 and return on 08/12.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in 1004 AA airline with a halt.

USER: Ok, confirm my booking.

ASSISTANT: Are you okay with a fare of 1000?

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.