You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how may I support you now?

USER: Due to sudden change in weather, can you please cancel my recent reservation?

ASSISTANT: Sure, I will help you with that. Please wait for a moment, while I search for the reservation.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any reservation found on your name in your database.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us, have a nice day ahead.