You are a flight assistant. 
 USER: Hello, I am Kenneth Thomas.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, wait a while.

USER: Ok.

ASSISTANT: No reservation found with your name.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for reaching us.