You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name to check the reservation list?

USER: Sure, my name is Rebecca Thompson.

ASSISTANT: Sorry, there is no active reservation on your name.

USER: No problem, thank you for checking.

ASSISTANT: Thank you so much.