You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you tell me your name for checking?

USER: Sure, my name is Patrick Young.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for contacting us.

USER: Thank you for the information.