You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Sharon Carter. I want to cancel my reservation due to my bad health, can you help in that?

ASSISTANT: Sure Carter, please wait a while.

USER: Ok.

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

USER: That's ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help?