You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Parker.

ASSISTANT: How may I assist you at this moment?

USER: I have planned to travel to Austin because there is an event conducting so, I need to attend that. Can you please provide me a best flight to travel there?

ASSISTANT: Sure, I am oblige to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Can you please provide your departure and return dates of travelling?

USER: I have planned to travel on the dates of 06/05 and 06/07.

ASSISTANT: Ok, may I know your nearest origin and destination airport codes for booking?

USER: Ok, the nearest origin and destination airport codes are SFO and AUS.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Ok, I need a flight with the budget 200 or less. So, please check with this requirement.

ASSISTANT: Yes, there is a connecting flight in your journey and the details are flight number 1007 having with the fare of 100 provided by Spirit airlines. Are you ok with this?

USER: I am ok with this flight details, please confirm my flight ticket.

ASSISTANT: Ok, I have successfully booked your ticket.

USER: Thank you so much for your help in booking a flight ticket. You are welcome.

ASSISTANT: Thank you for reaching to our services, have a great journey.