You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you. Let me know your name.

USER: My name is Emily Nelson.

ASSISTANT: Please, standby.

USER: Ok.

ASSISTANT: I am sorry to  inform you that, there is no reservation found on your name to cancel.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for approaching us.