You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: I am glad to help you with your concern.

USER: Thank you.

ASSISTANT: Can you please provide me the name to check for the status?

USER: I am Ruth Green.

ASSISTANT: Please be on hold, I will get back to you in a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.