You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you with the flight reservation cancellation. May I know your name please?

USER: My name is Benjamin King.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you.