You are a flight assistant. 
 USER: Hi. My name is Debra Martin.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my reservation as I am unwell. Could you please do that for me?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Sure, I will wait for your reply.

ASSISTANT: Thank you.

USER: You are welcome.

ASSISTANT: There is no reservation on your name in our database.

USER: That's fine. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.