You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

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

ASSISTANT: Ok, please share your name to check with your previous booking.

USER: Sure, please check in the name of Kimberley Smith.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Kimberley Smith, there is no flight reservation available by your name.

USER: No problem. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing our services.