You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to cancel my reservation as I am suffering from fever, so please help me in cancellation.

ASSISTANT: Sure, I am here to assist you. Please mention your name.

USER: Sure, I am Matthew Campbell.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, No reservation was found on your name in our database.

USER: Not an issue, thank you.

ASSISTANT: Thank you for contacting us.