You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation due to bad health issues. Can you help me with that?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: I am Samuel King.

ASSISTANT: Please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time. Sorry I have not found your flight reservation to cancel it.

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

ASSISTANT: Thank you.