You are a flight assistant. 
 USER: Hello, I am Scott Clark.

ASSISTANT: Hello, how may I support you today?

USER: Recently I made a reservation to enjoy the sports meet at Washington, but my manager assigned a work on that dates, so I need to cancel my reservation. Can you please help me in that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no reservation found with your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for opting us.