You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Due to my health problem I want to cancel my reservation, can you please help me in that?

ASSISTANT: Sure. For cancelling your reservation please provide your name?

USER: My name is Michelle Campbell.

ASSISTANT: Please wait a moment, I will check in our database.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say that, there is no active reservation on your name.

USER: It's ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.