You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to some health issue, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: I am Ronald Carter.

ASSISTANT: Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to cancel.

USER: Ok, Thank you.

ASSISTANT: Thank you very much for approaching our agency.