You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. By what way can I help you today?

USER: I would like to cancel my reservation due to health issues. Can you help me?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: To proceed for cancellation, we need your name. Can you provide it?

USER: I am Ashley Collins.

ASSISTANT: Ok, please wait. Let me check your reservation status.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry Ashley Collins, there is no active reservation on your name to cancel it.

USER: That's fine, Thank you.

ASSISTANT: Thanks for choosing us.