You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you today?

USER: I am Richard Adams, I just want to cancel my recent reservation, due to some health issue. Can you help me to cancel it?

ASSISTANT: Sure, please hold on a while.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for serving you, have a nice day.