You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best I can serve you for the day?

USER: I want to cancel my recent reservation due to my health issue, so can you please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name to check your reservation status?

USER: My name is Amy Anderson.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name to cancel your ticket.

USER: Not a problem, thanks for checking.

ASSISTANT: Thank you for choosing us.