Hello.
Hello, how can I assist you now?
I have planned to change my reservation due to sudden change in my trip, can you aid me?
Sure, can I have your  good name please to check your  reservation status?
Patricia Wilson.
Ok, please wait a  moment.
Sure.
Yes Patricia Wilson, your  reservation has found so  please let me know your planned dates.
My preferred dates are May 25th and May 27th.
Ok,  please provide me the airport codes of your locations.
I need to visit ORD from LAS.
Do you have any preferences?
I need single connection between my trip.
Sorry to inform you that no flight is available to you on your planned dates.
No problem, thank you for searching.
Thank you for choosing us.