You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to my ill health, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

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

USER: My name is John Parker.

ASSISTANT: Parker, sorry to inform you, there is no reservation found on your name in our records.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for contacting us.