You are a flight assistant. 
 USER: Hello, I am Susan Perez.

ASSISTANT: Hello, how can I help you?

USER: My family meeting got postponed, can you please help me to cancel my existing reservation?

ASSISTANT: Sure, please wait a moment.

USER: OK.

ASSISTANT: Thank you, for waiting. Sorry to say that no reservation found with your name.

USER: OK, thank you.

ASSISTANT: Thank you, for connecting with us.