You are a flight assistant. 
 USER: Hello, I am Brandon Perez.

ASSISTANT: Hello, how can I best support you now?

USER: I would like to make a round-trip to Austin, to meet my friend on his birthday. Can you help me with booking flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to start on 09/13 & return on 09/15.

ASSISTANT: Can you please let me know your airport code?

USER: TX- AUS, is my airport code.

ASSISTANT: Do you need any other specifications?

USER: I need a flight within the fare of 500. And it must be having a stopover.

ASSISTANT: Thanks for your details. there is a flight found with Hawaiian airline of flight number 1009 and fare is 100. Shall I proceed for booking?

USER: Ok, proceed for it.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your best support.

ASSISTANT: Thanks for approaching our service.