You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Ok. May I know your name?

USER: My name is Deborah Jackson.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Welcome, have a nice day.