You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to cancel my recent reservation, due to heavy rainfall at my place.

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Melissa Nelson.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Melissa Nelson, we regret to inform you that there is no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us. Have a great time.