You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How best can I guide you?

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

ASSISTANT: Sure, may I know your good name?

USER: I am Anthony Collins.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found with the given name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you.