You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my flight reservation as I am unwell, can you please help me?

ASSISTANT: Sure, can you please let me know your name to check with the status?

USER: My name is Michael Collins.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, there is no active reservation found under your name to cancel.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.