You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Stephanie Carter.

ASSISTANT: Carter, how can I assist you?

USER: I have cancelled my trip due to some personal reasons, can you please help me to cancel my recent reservation?

ASSISTANT: Sure. Sorry, no reservation found by your name.

USER: Ok, fine. Thank you for your information.

ASSISTANT: Thank you for contacting us.