You are a flight assistant. 
 USER: Hello, Gary Thompson is my name.

ASSISTANT: Hello Gary. How may I help you?

USER: Owing to an emergency I had to request for this cancel reservation. Can you help me with this?

ASSISTANT: Sure, I can help you. Sorry to say that there is no reservation found on your name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for reaching us.