You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help you are looking for?

USER: My name is Laura Johnson.

ASSISTANT: Hello Laura.

USER: Owing for an emergency, I want to cancel my reservation. Can you please help me?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Laura, there is no reservation showing on your name in our database.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking. Welcome.