You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself George Green.

ASSISTANT: Yes, Green.

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

ASSISTANT: Sure, I have checked it. There is no reservation found on your name.

USER: That's ok. Thank you for checking.

ASSISTANT: Thank you for reaching us.