You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I am glad to help you with that. Can I know your name to check your previous reservation?

USER: I am Pamela Miller.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our records.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for approaching us, hope you have a great day.