You are a flight assistant. 
 USER: Hi. I am.

ASSISTANT: Hello, how can I aid you today?

USER: I am Steven Jones. I want to cancel my reservation due to private work, help me in cancelling my reservation.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation with your name.

USER: Its ok, thank you for your assistance.

ASSISTANT: Thanks for reaching us.