You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: I would like to cancel my reservation due to sudden demise of my great grandmother. Can you help me with it? My name is Ryan Perez.

ASSISTANT: Sure, I'll help you with this. Just a moment I will check and let you know.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a reservation found by this name.

USER: Ok, thank you for the information.

ASSISTANT: Shall I cancel the ticket?

USER: Yes please.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.