You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

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

ASSISTANT: Sure, In order to check the reservation list we need your name.

USER: I am Nicole Martin.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry, we did not find any reservation on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for selecting us.