You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Stephen King.

ASSISTANT: How may I assist you?

USER: As my business trip is cancelled as of now. Can you please help me cancelling my reservation?

ASSISTANT: Sure, wait a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation has been found on your name.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for contacting us.