You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sharon Wright.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.