You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation. Can you please cancel my reservation?

ASSISTANT: Sure, we are here to help you. Can I have your name to proceed further?

USER: Sure, I am Stephen Taylor.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no reservation found with provided name.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for availing us.