You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assess you at this moment?

USER: Myself Larry white. Due to some health issues I would like to cancel my recent reservation, can you help me with this?

ASSISTANT: Sure, please give me a moment.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, I am sorry to say that there is no reservation status found for the name which you have given.

USER: It's ok, thanks for your information.

ASSISTANT: You are welcome.