You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Robert Turner.

ASSISTANT: Ok.

USER: I want to cancel my reservation because my friend is in hospital I need to look after him.

ASSISTANT: Sure, wait a moment. Let me check.

USER: Ok.

ASSISTANT: Sorry, no reservation found with your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.