You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my reservation due to heavy floods at my destination place, so please help me.

ASSISTANT: Sure, I am happy to help you with the ticket cancellation. Can I have your good name please?

USER: Sure, this is Raymond Lewis.

ASSISTANT: Ok, can I put the conversation on hold for a while?

USER: Sure.

ASSISTANT: I am really sorry to intimate you that, there is no active reservation found with your name.

USER: Not a problem, thank you.

ASSISTANT: You are most welcome. Thank you for opting us.