Hi.
Hello, how can I aid you for the day?
I am Ronald White. I want to change an existing reservation, due to sudden demise of my grand father. Can you please help me in that?
Sure, I will help you with that changing.
Thank you.
Please hold for a moment, let me check your previous  reservation status.
Sure, take your own time.
I have found your reservation. Can you please mention your airport codes?
Sure, my airport codes are DEN toHOU.
Ronald White, may I know your journey dates please?
Sure, I need to travel on dates of 10/19 and 10/21.
UA airlines are providing a connecting flight with the ticket price 200. Shall I proceed with this booking?
Ok, you can proceed with that.
Ronald White, your booking is confirmed with flight number 1012.
Thank you for your booking.
Thank you for contacting us, have a safe journey.