You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your name for the cancellation purpose?

USER: I am Raymond Collins.

ASSISTANT: Sorry, no reservation found on our database for cancel.

USER: No problem, thanks for checking.

ASSISTANT: Welcome, thank you for reaching us.