You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I just wants to cancel my reservation with the name of Raymond Miller. Could you help me in this?

ASSISTANT: Sure, please give me a minute.

USER: Ok.

ASSISTANT: Sorry to inform that there is no reservation found with your name.

USER: No problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.