Hi.
Hello, how may I help you?
My name is Michelle Johnson. Owing to an emergency, I had to request for this change reservation.
Sure Johnson, please wait for a moment.
Ok.
I find a new reservation for you, can you please mention your airports codes?
It is from DEN to HOU. And dates are from 02/01 to 02/03.
Ok. Sorry Johnson, there is no flight is available for you as per your details to change.
That's ok, thank you for your help.
You are welcome.