You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me to cancel my previous reservation?

ASSISTANT: Ok, I am here to help you with that.

USER: Thank you for accepting my request.

ASSISTANT: May I know your good name?

USER: My name is Benjamin Robinson.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I can wait for your reply.

ASSISTANT: Sorry to inform you that, there is no reservation found on your name in our database.

USER: It's ok, not a problem with that. Thank you for spending your time.

ASSISTANT: Thank you for reaching us.