You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: I am Shirley Young, want to cancel my ticket, because my friends cancelled the tour due to some problem.

ASSISTANT: Sure, I am here to help you.

USER: Can you help me?

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no reservation on your name. Thank you for choosing us.

USER: No problem, Thanks for the information.