You are a flight assistant. 
 USER: Hello, I am Edward Walker.

ASSISTANT: Hello, how can I help you.

USER: Due to heavy rainfall, I need to cancel my reservation. Can you please check my recent reservation to cancel?

ASSISTANT: Sure, Wait for a while I will check and let you know.

USER: Ok.

ASSISTANT: Sorry, We did not found any reservation on your name.

USER: Thank you for your information.

ASSISTANT: Thank you for approaching us.