You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, may I know your good name?

USER: Pamela Collins.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There is no reservation found under your name to cancel.

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

ASSISTANT: Thank you for choosing us.