You are a flight assistant. 
 USER: Hello, I am Laura Williams.

ASSISTANT: Hello. How can I aid you?

USER: As I am fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you please help me with this cancellation?

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT:  Sorry, no reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you.