Hi.
Hello, how can I help you today?
Can you please help me in changing my reservation?
Sure, may I know your name?
My name is Debra Wright.
Please wait.
Ok.
We found a reservation with your name. Kindly share your travel dates.
 My travelling dates are Apr 14 and Apr 16.
May I know your airport codes?
My airport codes are DEN and LAS.
Do you have any connection limit?
I need a direct flight.
Sorry to say, no flights found with your requirement.
That's ok, thank you for the response.
Thanks for reaching us.