You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, may I know your name to track your details?

USER: Nicholas Collins here.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thanks for being on hold, no reservation was found based on your name in our database.

USER: No problem, Thank you.

ASSISTANT: Thank you for availing us.