You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can assist you at this moment?

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

ASSISTANT: Sure, I am glad to help you with cancellation. Can I have your name please?

USER: I am Samantha Johnson.

ASSISTANT: Please wait for a moment, I will check the status on your name in our database.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name to cancel your reservation.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching our service.