You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: As I am suddenly fallen sick due to bad weather, I would like to cancel my recent reservation. Can you help me with cancellation on the name of Gary White?

ASSISTANT: Sure, wait a minute.

USER: Sure.

ASSISTANT: We could not find any active reservation on your name.

USER: Ok, thanks for your response.

ASSISTANT: Thank you for opting us.