You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Anderson.

ASSISTANT: How may I assist you Raymond Anderson?

USER: Due to heavy rains, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Yes, I am here to help you. Sorry, there is no reservation found with your name.

USER: Thank you for helping. No problem.

ASSISTANT: Thank you for reaching us.