Hello.
user
Hello, how may I be there for you?
assistant
I am Katherine Hill. I want to change my existing reservation due to health issues, can you help me in change reservation?
user
Sure, let me check the data base and revert you.
assistant
Ok.
user
I have gone through the reservation list but could not find any reservation by your name.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us.
assistant