Hi.
user
Hello. How may I assist you?
assistant
I want to change my reservation due to health problem, can you help me?
user
Sure, may I know your name?
assistant
I am William King.
user
Please wait a moment I will check the reservation list.
assistant
Sure.
user
Sorry, there is no active reservation on your name.
assistant
No problem, thanks for checking.
user
Thank you.
assistant