You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

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

USER: My name is Deborah Adams.

ASSISTANT: Ok, please allow me a moment. Sorry, no reservation found on your name to cancel your reservation.

USER: No problem, thank you for checking.

ASSISTANT: Welcome, have a nice day.