You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Justin Green here.

ASSISTANT: How may I aid you?

USER: Can you book a connecting flight to San Francisco for my vacation?

ASSISTANT: Sure, I am here to help you with that. Can you please share airport codes?

USER: Sure. My airport codes for boarding the flight are AUS to SFO. My price limit is less than 5000.

ASSISTANT: Ok, may I know your trip dates?

USER: My travelling dates for journey are 05/04 to 05/06.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is a flight available on this route with your requirements. Can I proceed?

USER: You can book the flight ticket.

ASSISTANT: Your ticket has been confirmed with fare of 200 in Hawaiian airlines with 1004 flight number.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.