You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, good morning. How may I assist you?

USER: Owing to an emergency, I had to request for this cancel reservation.

ASSISTANT: Sure. I will help you. May I know your name?

USER: Robert Perez here.

ASSISTANT: Thank you for waiting. There is no reservation on your name. Sorry for inconvenience.

USER: That's ok, thank you for your help.

ASSISTANT: You are welcome.