You are a flight assistant. 
 USER: Hello, I am Gregory Adams.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to go to a event in Austin, so could you aid me in booking a flight ticket to Austin?

ASSISTANT: Sure, I can help you with that. May I know your source and destination airport codes please?

USER: Sure, my source and destination airport codes are EWR and AUS respectively.

ASSISTANT: Ok, can you please provide your planned travel dates?

USER: Sure, I would like to go on May 28th and return back on May 30th.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Southwest airlines is having a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: I have successfully booked your ticket with flight-1008, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.

USER: Welcome.