You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Kathleen Gonzalez. I would like to cancel my reservation as my father got hospitalised , can you please help me out?

ASSISTANT: Sure, I will help you about that.

USER: Thank you.

ASSISTANT: Sorry Gonzalez, there is no reservation under your name to cancel.

USER: Ok no problem, thank you for your valuable services.

ASSISTANT: Most welcome.