You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me?

ASSISTANT: Sure, I'm glad to help you in cancelling your reservation.

USER: Thank you for accepting my request.

ASSISTANT: Please allow me a moment to check for the previous reservation status. May I know your name?

USER: Sure, I will wait. Sure, my name is Thomas Scott.

ASSISTANT: Thank you for waiting, there is no active reservation have been found under your name in our records to cancel it.

USER: Ok, that's fine.

ASSISTANT: Thank you for reaching us.