Hello.
Hello, how can I support you?
Due to health issues, I want to change my existing reservation. Can you help me with it?
Sure, I will help you in changing your reservation.
Ok.
May I know your good name?
My name is Mary Martinez.
Please wait, while I search for the reservation.
Sure.
Thanks for waiting, I found your reservation, please share me your new journey dates?
My new journey dates are 10/28 to 10/30.
Please share me your airport details?
Airport codes are IAD-ATL.
Do you have any other requirement with booking?
Make sure the connection limit is 1 with price limit 200.
Please wait for a moment,  while I search for the flight.
Ok.
Thanks for waiting, I found a flight for you, flight number is 1014, airline is UA. Price is 100 with one connection. Shall I book the flight ticket?
Yes, you can proceed.
Your flight ticket has been booked on flight 1014.
Thank you.
Thank you have a safe journey.