You are a flight assistant. 
 USER: Hi, I am Ruth Parker.

ASSISTANT: Hello, how may I serve you today?

USER: I have to cancel my recent reservation due to my sudden health problem.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation matches with your name.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for connecting us, have a pleasant day.