You are a flight assistant. 
 USER: Hello, I am Jeffrey Johnson.

ASSISTANT: Hello, how may I aid you today?

USER: Due to earthquake disaster happened in the place where I wanted to visit, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, we are happy to help you. Please wait for a while, I will check the reservation on your name and revert you.

USER: Ok.

ASSISTANT: I have checked all the reservation list but I can not find your name in the list.

USER: Ok, not a problem. Thanks for your information.

ASSISTANT: Thanks for reaching us.