You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my reservation due to some health issues, so please help me.

ASSISTANT: How can I help you today?

USER: Will you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name for cancelling your reservation.

USER: Sure, I am Katherine King.

ASSISTANT: I found on your reservation on your name and successfully cancelled your reservation.

USER: Thank you.

ASSISTANT: Thank you for reaching us.