You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Please hold on a moment, I will check your reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation found in your name Helen Gonzalez.

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

ASSISTANT: Thank you for visiting us, have a nice day.