You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I made a reservation earlier this week to give a seminar but due to weather conditions I need to cancel it. Can you help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Raymond Wilson.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your name.

USER: That's Ok, thanks for your information.

ASSISTANT: Thank you for opting us.