You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How may I help you?

USER: My name is Timothy Moore.

ASSISTANT: OK.

USER: I want to cancel my recent reservation, because my business trip was cancelled.

ASSISTANT: Ok, Please wait minute I will check and get back to you.

USER: Ok sure.

ASSISTANT: We found that there is no reservation found with your name.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for choosing us.