Hi. I am Samuel Hill.
Hello, how can I aid you today?
Please change my existing reservation.
Sure, please wait for a while.
OK.
Thank you for waiting, there is reservation found with the given name.
OK.
Please share your travelling dates?
04/14 and 04/16 are my travelling dates.
Let me know your travelling airport codes?
ORD and IAD are my travelling airport codes.
Thank you for sharing your details, currently there are no flights found with the given details.
Ok, no problem. Thanks for the information.
Thank you for opting us.