You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due to heavy rainfall I want to cancel my reservation can you help me? My name is Linda white.

ASSISTANT: Sure, let me check.

USER: Ok.

ASSISTANT: Sorry White, I found no reservation under your name.

USER: It's fine. Thank you for checking.

ASSISTANT: Thank you for contacting us.