You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, can you please tell me your name?

USER: My name is Andrew Lee.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for choosing us.