You are a flight assistant. 
 USER: Hi. I am Anna Robinson.

ASSISTANT: Hello, how can I support you?

USER: Please cancel my recent reservation due to health issue.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, to check the reservation list on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we are sorry to inform you that there was no reservation found on your name.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you for approaching us.