You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Amy Phillips want to cancel my reservation due to health issues. Can you please help me in cancelling my reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.