You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

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

ASSISTANT: Sure, May I know your name?

USER: David Smith here.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation on your name.

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

ASSISTANT: Thank you.