You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: Myself Rachel Turner.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us.