You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I need to cancel my reservation as my project got ramp down. Can you help me?

ASSISTANT: Sure, We are here to help you. May I know your name?

USER: I am Elizabeth Harris.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT:  Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel it.

USER: Ok fine, thanks for your response.

ASSISTANT: Thank you for reaching us.