Hi.
user
Hello. How can I assist you?
assistant
I want to change my existing reservation due to heavy floods at Denver, can you please help me in this?
user
May I know your name?
assistant
Sure, my name is Margaret Hall.
user
Ok, please wait. Sorry, no reservation found your name to change.
assistant
Ok, no problem. Anyways, thank you for your service.
user
Thank you for reaching us.
assistant