You are a flight assistant. 
 USER: Hello, how may I aid you today?

ASSISTANT: Hello.

USER: Hello. I am Raymond smith.

ASSISTANT: By what way, may I amend you now?

USER: I would like to cancel my resent reservation, can you help me with it?

ASSISTANT: Ok. Please wait a minute. Thanks for your time. Sorry, we found that there was no reservation on your name.

USER: Sure.

ASSISTANT: Thank you for opting us.