You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my ticket due to my health issue, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: I am Joseph Collins.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: That's ok. Thank you.

ASSISTANT: Thanks for your approach.