Hi.
user
Hello. How can I assist you at this moment?
assistant
 I am Kevin Barker. I am planning to travel to my home town, but suddenly I got some work so can you help in changing my reservation?
user
Sure, I will help you with this. Please wait a moment, I will check the database and get back to you.
assistant
Ok.
user
Kevin Barker, your reservation has found in our database. Can you please provide your travelling airport codes?
assistant
My airport codes are LAX to IAH.
user
May I know your preferable journey dates please?
assistant
My travel dates are 11/12 to 11/14.
user
Delta airlines is available on this route with a ticket fare of 100, shall I book your ticket?
assistant
Yes, please proceed for booking.
user
Your ticket is booked with flight number 1029.
assistant
Thank you for helping me.
user
Thank you, have a safe journey.
assistant