You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel from SFO to AUS, please book a ticket for me?

ASSISTANT: OK, please provide the dates you would like to travel on?

USER: I want to travel from 09/02 to 09/04 dates.

ASSISTANT: I'm happy to inform you that I found a flight on your requested dates.

USER: Is there any connection of flight?

ASSISTANT: The price is 300 with one connection.

USER: The price of the ticket is so expensive.

ASSISTANT: May I know your price limit?

USER: Sure, my price limit is 200.

ASSISTANT: Sorry, there is no flight available according to your price limit.

USER: Its OK. Thank you.

ASSISTANT: Please provide your name?

USER: Sure, Sharon Jones.