You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Due to bad weather my trip has been cancelled. Can you please cancel my recent reservation?

ASSISTANT: Sure, may I know your good name please.

USER: My name is Anna Johnson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that, no reservation was found with your good name.

USER: No problem. Thanks for your information.

ASSISTANT: Thanks for opting us. Have a nice day.