You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you now?

USER: I am Mary Parker. I just want to cancel my recent reservation, due to my health issue.

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.