You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Ok, can you please provide your name for further processing?

USER: Myself Benjamin Brown.

ASSISTANT: Brown, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Brown, there is no reservation found on your name to cancel your reservation.

USER: No problem, thanks for checking.

ASSISTANT: Are you expecting any other help from me?

USER: No, thanks.

ASSISTANT: Thank you for contacting us.