You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Patrick Hill.

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

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

ASSISTANT: Thank you for reaching us.