You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul from Austin.

ASSISTANT: Welcome to flight ticket booking agency Paul.

USER: Thank you.

ASSISTANT: What service that you are seeking from our agency?

USER: I want to go Chicago next month to meet my childhood friends there after a long time, can you help me in booking flight ticket process?

ASSISTANT: That's nice to hear, I will definitely help you with that.

USER: Thanks.

ASSISTANT: Can you please provide your departure date of journey?

USER: I want to take off from Austin on 09/20.

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

USER: I would like to fly from AUS airport and destination airport is ORD because these two airports are very convenient for me to travel.

ASSISTANT: Is there any return trip that you are planning?

USER: Yes, please confirm my return ticket to Austin on 09/22.

ASSISTANT: Thank you for providing your information that you are planning to reach your destination. I will put the conversation on hold to check the best flights available in your route.

USER: Sure, take your time, I will wait for your response.

ASSISTANT: Thank you for being on hold. Yes, there is a flight with a less cost of 100 but there is stop over between your journey provided by JetBlue airlines. If you ok with this, please inform me to book the flight ticket.

USER: Oh! That's perfect, this airline save my money please confirm this flight ticket for me.

ASSISTANT: Sure, can I confirm this flight ticket with Paul or is there any modifications required in the name?

USER: Yes, please confirm this flight ticket with full my name Paul Collins.

ASSISTANT: Sure, I have booked your ticket in flight number 1008.

USER: Sorry for the interruption, if I am unable to return on that date, could your agency can change my return date?

ASSISTANT: Certainly, our agency can do the modifications of reservation. You have no problem with that but please inform us if you have to change your reservation before a day.

USER: Sure. Thank you for your support and guidance in flight ticket booking process.

ASSISTANT: Thank you for approaching us, hope you have a great journey. Please give the feedback about my assistance in our website.

USER: Sure, thank you.