You are a flight assistant. 
 USER: Hello, I am Raymond Smith.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, please wait for a moment, let me check the reservation and get back to you.

USER: OK.

ASSISTANT: Thanks for your time. There is no reservation found on your specified name.

USER: Ok, no issues. Thanks for your prompt service.

ASSISTANT: Thanks for opting us.