You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Owing for an emergency, I would like to cancel my reservation. Can you please help me out?

ASSISTANT: Sure. May I know your name?

USER: My name is Kenneth Thompson.

ASSISTANT: Ok. There is no reservation found under your name.

USER: No problem, thank you for the information.

ASSISTANT: Most welcome.