You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Please help me to cancel my recent reservation due to some health issues?

ASSISTANT: Sure, I am glad to help me out. Please provide me your name.

USER: Sure, I am Mary Adams.

ASSISTANT: Mary Adams, there is no active reservation your name in our database.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.