You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Daniel King from Phoenix.

ASSISTANT: How may I help you today?

USER:  Actually I am an old person and I don't know how to book a flight ticket, can you please help me in flight ticket booking?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your planned dates of travelling?

USER: Thank you and I would like to departure on 04/13 and arrival back on 04/15.

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

USER: My genesis airport code is PHX and my terminus airport code is ATL.

ASSISTANT: Please wait a moment to check the flights. I have found a flight with 1 connection with the fare of 200 provided by Southwest airlines. Are you ok with this?

USER: Ok, you can go ahead and confirm my flight ticket booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1002.

USER: Thank you for your quick service in my flight ticket reservation.

ASSISTANT: Thank you for reaching us, have a great journey.

USER: Most welcome.