You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me with cancelling my previous booking due to my health issues?

ASSISTANT: Sure, may I know your full name please?

USER: My full name is Jason Jackson.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Oh! That's sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.