You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I want to cancel my reservation because my childhood friend meet an accident. Can you help me?

ASSISTANT: May I know your name to check your reserved ticket status?

USER: Sure, my name is Carol Phillips.

ASSISTANT: Please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation on your name.

USER: That's fine, thank you for your checking.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.