You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Help me in cancelling my flight reservation. As I modified my travelling dates.

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Thanks for accepting my request. Jonathan Scoot here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you, no reservation is found under your name.

USER: Ok, not an issue. Thanks for checking.

ASSISTANT: Thank you very much for approaching our agency.