Hello.
user
Hello, how can I help you today?
assistant
I am Gary Rodriguez. Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Ok, please wait a moment.
assistant
Ok.
user
Sorry to say, no reservation found with your name.
assistant
Ok, no problem. Thank you.
user
Thanks for reaching us, have a good day.
assistant