You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Sharon Wright here. As I have fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, please wait a while.

USER: Ok.

ASSISTANT: There is no reservation found under your name.

USER: That's fine. Thank you for your help.

ASSISTANT: Most welcome.