You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I would like to cancel my reservation which was made on the name of Gregory Gonzalez. Can you help me with it?

ASSISTANT: Sure, I am here to help you. Please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting.we are sorry to inform you that there is no reservation found with your name.

USER: Ok, thank you for the response.

ASSISTANT: Thank you for reaching us, have a nice day.